Baretta vows revenge on the hoodlum whose thugs murdered his girlfriend.

When his childhood friend is murdered, Baretta tries to protect the pregnant widow and her unborn child from the killers, and from her own drug habit.

Baretta tries to nail a seemingly untouchable crime czar by placing the aging man under painfully overt 24-hour-a-day surveillance.

A committee on police corruption investigates Baretta after his partner takes a bribe in order to support his girlfriend's expensive tastes.

After an undercover policewoman is killed, Baretta poses as a fugitive gangster in order to infiltrate a mansion that the syndicate runs as a house of illicit pleasures.

Baretta begins to suspect that a rash of petty burglaries is actually the result of his retarded friend's efforts to emulate Robin Hood.

A parole officer is murdered after telling Baretta that a model who supposedy killed herself months earlier is alive in Mexico.

Baretta's career and reputation are almost ruined by a beautiful photographer who tricks him into helping her steal a half million dollars of mob money.

When the dead body of a prominent attorney's wife is found, Baretta becomes interested when he finds that there is no record of her existence before age 20.

Baretta comes to believe that a mobster is being framed for the murder of his boss when the man's girlfriend is too scared to confirm his alibi.

Baretta feels out of his element as he investigates the affluent friends of a heiress who has gone missing.

After Baretta kills a drug pusher in a shootout, the man's teenage brother vows revenge.

Baretta comes to suspect that his close friend, a music store owner, may not only be a drug dealer, but may be unknowingly selling heroin so pure that it is killing his customers.

Baretta has to go on the run to clear his name after he is framed for the murder of a gun dealer he was investigating, who was selling weapons to teenagers.

Baretta must use his wits to survive after he and a runaway girl he apprehended unwittingly get into a police car being driven by a couple of holdup men disguised as cops.

When a conventioneer is murdered, Baretta finds that the only witness is a busboy who doesn't want to get involved, but the real murderer is after the man too.

To find an arsonist, Baretta seeks the help of a former investigator who retired after suffering both physical and psychological damage in a fire.

While Baretta is investigating a series of waterfront killings, his cover becomes in danger of being blown by a waitress who knows him and thinks he is responsible for the death of her boyfriend.

Persuaded by his grandson to reopen the case of a retired cop supposedly killed in a fall, Baretta discovers a judge on the take.

To infiltrate a gang of jewel robbers, Baretta seeks the help of a former expert safecracker he once sent to prison.

When a dying hoodlum entrusts his girlfriend with a detailed record of all his underworld activities, she is sought by both the police and his former cronies seeking to protect themselves.

Baretta doggedly follows a truck driver he suspects of killing the cat burglar who injured his wife, waiting for the man to make a mistake that will reveal his guilt.

Baretta is investigating a mob theft of diamonds belonging to Mr. Nicholas and winds up helping a merchant who is threatened by a new group in the neighborhood called the East Side Benevolent Society, who is forcing all the shop owners to pay money for protection or suffer the consequences.

Baretta must find a nurse's 9-year-old sister, witness to the murder of a blind hot-dog vendor, before the killers do.

When his partner is charged with shooting a suspect in the back, Baretta tries to locate the only witness who can save the man's career, but the real murderers are after him too.