Hooker, still haunted by the murder of his former partner five years previously, is determined to catch an unapprehendable band of bank robbers whose leader matches the description and tactics used by the his partner's killer...

Responding to a shooting at a cock-fight in China Town, Hooker thinks he catches a glimpse of a face from the past in the crowd. As he investigates the illegal dealing of automatic weapons in the area, the face turns out to be the daughter of a woman who he was once in love with, but had to cut off their relationship after her husband, presumed dead, had turned up alive. But now, the man is involved with the gun dealing, and sees that he has an old score to settle with Hooker...

Hooker, Romano, Stacy and Corrigan are staking out a small-time drug dealer when they find that a major drug supplier is involved – who is being staked out in a Federal investigation. Hooker is ordered to keep well away from anything to do with the Fed operation and any of the smaller dealers which may be involved with the drug ring, something which proves to be difficult and results in Hooker being suspended. But an old flame, who is a Fed agent, is undercover posing as the girlfriend of head of the ring, and Hooker, fearing for her safety, is determined to put the ring out of operation himself - even if it costs him his job...

Hooker, Romano, Stacy and Corrigan are involved in an undercover operation to nail a large cocaine dealing ring, when a highly respected fellow officer is killed, execution-style, by the ring, who are on to him. Tracking down one of the thugs involved, Romano is badly injured by a gun-shot wound, before Hooker captures the goon, who gives the lead of a crooked bail-bondsman who is involved with the dealing. Against the wishes of a DEA, Hooker and Corrigan go undercover as drug dealers, with Stacy posing as one of their carriers, to infiltrate the dangerous ring via the bail-bondsman and catch them in the act...

Hooker and Romano by chance spot a van swerving dangerously over the road – in which a pair of teenage prostitutes are being held against their will by two men. When the van crashes off the road, they find one of the girls dead after being strangled – the latest victim in a series of killings by ""The Boulevard Strangler"" and his accomplice, who are prying on young runaways. Hooker finds that the surviving girl has run away after being abused at home, and leads a double life – a perfect high-school student, and as a prostitute. But now the girl is in danger with the killers after her, who are concerned that she can identify them in the murder of the other girl... Meanwhile, Corrigan considers leaving the force to take a job teaching...

Following an execution-style murder connected to a drug racket, Hooker joins forces with ex-partner and personal friend Jim Cody to solve the killing and put the drug ring out of business. But as they investigate the case, it becomes apparent that Cody's own daughter is a heroin addict and involved with key members of the drug ring...

A parking attendant's suspicion leads to the discovery of a woman's body in the trunk of a car, sending Hooker and the team on the trail of a psychotic killer who is on a cross-country murder spree. Meanwhile, the deranged killer lures a young woman into his clutches and takes her hostage, leaving behind her husband and sick baby. Hooker persuades the Detective in charge of the case to let him place a trap to try and catch the killer and get the woman back safely, but it places Stacy in great danger...

Dani Starr is an attractive Hollywood Detective who lives alone, dresses snazzily, and always gets the job done. While en route to Hollywood to deliver a captured jewel thief, Hooker and Corrigan are ambushed by the thief's men, who free their leader. Hooker teams up with Dani Starr to find the sprung thief, who is the prime suspect in the murder of a porn film producer. As they search for leads, they find that there is a Mob connection; Hooker learns that Dani's husband was previously murdered by the Mob, and she is determined to find those responsible...

Unbeknown to Romano, his law school teacher is living with ex-convict Jack Lewis, the ring-leader behind a string of armed robberies. Already upset about the recent death of a close friend, Stacy is almost killed when she and Corrigan respond to armed robbery on a pawn shop, when the thug she apprehends disarms her. As Hooker and the team search for Lewis, who specialises in training criminals to disarm cops, the incident leaves Stacy with shaken confidence and an internal investigation over the lapse which nearly cost her her life...

A 17-year-old girl is killed in a struggle during the filming of a porn movie, and when her dumped body is found, it turns out to be the niece of Hooker's colleague, Detective Max Brodsky. Hooker takes charge of the case, with Stacy going undercover as a potential porn star to get inside the production company; but Brodsky's obsession with nailing the killers himself jeopardises the whole investigation...

Hooker, Corrigan and Stacy are working undercover on a pimp sting when they respond to an armed robbery alert at a nearby bank, and the ensuing shootout as the robbers escape sees an Officer fatally wounded and dying in Stacy's arms. The hunt is on for the murderous gang, who are already putting their next bank robbery plan into motion, but Stacy's performance begins to suffer as she is over-come by fear that she will be the gang's next victim...

When a young female singer, whom Hooker has got cleaned up on a drug reform programme, is kidnapped, Stacy goes to work undercover as an exotic dancer at the club that they suspect to be a front for a white slavery ring that is dealing in attractive young women...

Despite being undercover dressed as Santa Claus, Hooker is finding it hard to get into the Yuletide cheer faced with his first Christmas away from Fran and the children; Stacy too, is low on Christmas spirit, after splitting up with her boyfriend. The Christmas blues set in even deeper when a drug stakeout doesn't go to plan, allowing the main target to get away. Later, after Stacy witnesses an armed hold-up by a man and woman connected with the wanted dealer, the woman is forced to abandon her young baby at a local church. As they try and get a lead on the offenders, Stacy looks after the young baby, but Hooker, Corrigan and Romano become concerned that she may be coming to attached to it too want to give it back...

After a woman in a troubled marriage, whom Hooker meets in a bar, is fatally stabbed, he notices a similarity with three other cases, and a pattern emerges that all of the women had phoned in to a relationship therapist's call-in radio show before they were murdered. Convinced that the connection to the radio station is the key to the killings, he tries to persuade the show's therapist to help him track down the killer, but she is very reluctant, worrying that the bad publicity will stop callers to her show... During the investigation, Stacy and Corrigan rescue a young baby and it's mother from a brutal attack stirs feelings between them...

Hooker's children come to visit their father, but the vacation is interrupted after Corrigan and another Officer unwittingly disrupt an armed race-track heist, which leaves Corrigan's fellow Officer dead. The robbers were under the pretence of being ambulance attendants, and Hooker has reason to believe that the robbery was an inside job; but the case means that his time with his cherished kids is limited...

The State Department asks Hooker's help in tracking down a man whom he served alongside in Vietnam - a disillusioned, mentally unstable trained executioner – who is planning to assassinate the head of a visiting Russian trade delegation...

Hooker and Romano are just finishing working on a case with Lt. Paul McGuire, a close friend and colleague of Hooker's, when they respond to a reported rape - in which the victim turns out to be none other than McGuire's own daughter. The girl is certain that she knows the attacker and can identify him, but the attacker, a lawyer, uses legal loopholes to get off without charge. As Hooker tries to nail the attacker ""by the book"", McGuire becomes infuriated at the lack of action taken and takes matters into his own hands, endangering not only his job, but Hooker's case that will bring the attacker to justice in the proper way...

When a man attacks and rapes a young female jogger, Hooker and Romano find themselves on the trail of a serial rapist who has left behind only one clue: a size 13 shoe-print...

The latest victim of a serial murderer known as the ""Surfside Killer"" turns out to be a police officer. Stacy, a close friend of the murdered girl, fits the description of each of the killer's victims - young blonde females, and volenteers herself to work undercover to try and draw out the murderer. But Hooker does not have faith in the way the operation has been organised, and vows to watch over and protect Stacy himself...

The latest in a series of armed robberies on super-markets leaves a young cashier possibly paralysed when the thieves take her hostage and then push her from their speeding car to slow up the pursuing cops. The cars used by the robbers are specially modified "hill racers", leading to the local hill racing champion, an old friend of Hooker's, being wrongly arrested as the prime suspect. Hooker must prove his innocence by speeding after the real culprits...

Two armed juveniles rob a liquor store, and the ensuing Police pursuit results in an Officer being shot dead. Romano waits until the killer is out of bullets before he corners and apprehends him, resulting in a number of Officers being angry at Romano for not avenging their colleague's death. Hooker is torn as his partner is slated for going by the book and not taking the opportunity to shoot the cop-killer...

After a security guard is shot down when trying to stop a diamond vault robbery, the investigating detective is determined to prove that the guard had taken a bribe from the robbers and wants to nail him for aiding the thieves. The guard is an old friend of Hooker's who knows that his friend wouldn't have been involved. As he and Romano investigate to find out the true circumstances it seems as if the detective is willing to go to any lengths, including blackmail, to see that he is covered in glory for his busts and quickly fly through the ranks...

After a fatal drink-driving crash, Hooker and Romano set out to track down the gang who are making liquor robberies and then selling it to local youths. But Romano has a personal concern in the case when he finds out that the gifted son of a deceased friend from his time serving in Vietnam has fallen into the disreputable company of the gang...

After Hooker and Romano foil an armed robbery committed by a family of robbers, which leaves the father wounded in hospital and the daughter held in custody, the two sons take the hospital wing with their father on siege, holding Hooker's ex-wife Fran, Stacy, a little girl urgently needing heart surgery, and a whole floor of patients hostage...

On Stacy's first week of field training, Hooker assigns her to be partnered with tough veteran officer Jim Corrigan, who has low opinion of female cops after his former parter was killed while partnered with one. Meanwhile, Hooker has a personal concern in catching the culprits of a series of violent mini-mart robberies in a factory district, when his ex-wife Fran is badly wounded in a hold-up and is in danger of being left blind as a result...