An apparently accidental death occurs, but Ed risks his shield on the certainty that it was murder. When Ironside gets on the case a murky tale of murdered ex-servicemen and an old robbery is soon uncovered.

A string of deaths at a convalescence home leads the Chief to go undercover as a patient, whose two children (Fran Belding and Ed) hint that they wish he were "no longer their problem". It soon appears that violence and murder are considered due care by certain members of the staff.

Mark's old boxing coach, an alcoholic, is found at the scene of a serious assault, and nobody seems prepared to entertain the theory that he might just be innocent. Mark battles to prove that he has been falsely accused, assisted by the rest of the team, and in the process wins the affections of his law school teacher.

Due to give evidence, the Chief discovers that there is a contract out on his life, and that the chosen killer is a highly dedicated man. Whilst the authorities see only the lethal killer, however, it seems that everybody has another side to their personality.

Mark's graduation from law school coincides with the arrest of a caretaker that he has befriended. Believing the man innocent, he finds the weight of the law stacked against him, and quickly becomes disillusioned with his new career. Should he turn his back on law altogether, though, or should he just find another way to devote himself to justice?

The Chief is in the bank when it is robbed by a gang of three men, planning to await the arrival of a payroll delivery truck. The threesome are at odds with each other from the start, and Ironside plans to work on the antagonism between them, but they are wise to his plans and will stop at nothing to get what they want.

Mark and his girlfriend come across a murder whilst on a date, but decide to defend the killer when it transpires that he acted in self defence. During the case the pair get married, and Ed decides to move in with the Chief in Mark's place.

The teenage son of a friend of Fran's appears to commit suicide, however the evidence seems to point in a number of different directions. Did he kill himself, or was it a murder made to look like suicide? Or, alternatively, was a suicide made to look like it could have been murder? The Chief has to unravel the story, but he has little real evidence to help him along.

A girl thought to have died years previously turns up at the home of her mother just as her brother is found murdered. Clearly somebody is trying to kill the family off, but is it connected to the girl, and is she really who she says she is?

A man dies of a heart attack whilst flying his plane, but the town medical examiner, a charmingly eccentric Cuban doctor, is convinced that there was foul play. By chance Ironside and Ed are on their way to visit and soon become involved in his investigations; but between pregnant ducks and volatile banana cocktails they have their work cut out as never before.

A policeman friend of Ironside and the team is the prime suspect in a murder investigation. Is he really guilty, though, or is the evidence just a little too damning?

When Eve is injured during a shooting, the rest of the team recall their early encounters with her, and the Chief wonders if he was right ever to have encouraged her to join the force. Meanwhile, Ed worries over whether he wants to arrest Eve's attacker, or just kill the man outright.

A string of bank robberies are being committed, all with the exact hallmarks of a certain thief recently released from prison. Having a liking for the ex-con, however, the Chief wishes to believe in his innocence, and sets out to prove that it may be a copycat who is responsible for the raids.

The small daughter of a friend of the Chief's dabbles in witchcraft, and becomes convinced that she is responsible for the death of her parents' landlord. Taking to the case to show her that the truth is otherwise, Ironside discovers that the man arrested for causing the death might be equally innocent.

When a woman crashes her car into the Chief's van after suffering a minor heart attack, doctors discover a bullet lodged in her chest, where it has apparently been for several years. When she claims to have no knowledge of ever being shot, the Chief investigates, and soon links her case to that of an unsolved murder.

Ironside is the only witness to a murder, but has to go into hospital for exploratory surgery immediately after the events that he witnessed. The murderer is determined that he should not leave hospital alive, and as the Chief deals with the possibility of maybe one day being able to walk again, his presence in the hospital helps various other citizens right wrongs in their lives. Meanwhile Ed, Eve and Mark deal with their own worries and fears for the Chief as the murder attempts escalate.

An obnoxious talk show host known as ""The Peoples' Voice"" begins to receive death threats, and the Chief is assigned to protect him. Firstly he must overcome his own feelings of dislike for the man, but are those feelings entirely misplaced? Events escalate when the host's wife is killed by a car bomb apparently meant for her husband.

A military-issue fragmentation grenade is used in an attack on two Vietnam veterans, one of whom - a friend of Mark's - is killed. When it transpires that another of the pair's old unit has come under similar attack, the Chief sets out to trap the killer, using Ed in a cunning disguise as bait.

The star witness to a major case, Ed is shot and seriously injured by a mystery assailant. Threatened with paralysis he conducts his own struggle from within his hospital bed, whilst the Chief tries to find out who is still trying to kill his prize pupil. Meanwhile Ed's best chance of recovery is an untested experimental operation performed by a surgeon whose integrity is very likely about to be put to the test. The crossover continues on The Bold Ones: The New Doctors S04E01 Five Days in the Death of Sgt. Brown (II).

A scientist is given a irremovable belt containing explosives, and the man responsible demands the release of three men from prison in return for the key to the device. The Chief sets out to find and trap the man before time runs out and the bomb explodes, taking an innocent person with it.

The promotion of a new Chief of Police leaves an opening for a new Chief of Detectives, and the front runner for the job is Lieutenant Amy Prentiss. Much of the force is opposed to her appointment, but she is determined to prove them wrong. With Ironside and his team alone in supporting her, she has to make her mark in a difficult case beset with problems, whilst at the same time convincing her male dominated staff to accept her as their new leader.

A retired assassin kills the son of a mob chief, and tries to escape town after anonymously leaving his own young son in the care of Chief Ironside. The Chief soon puts two and two together, and figures out who the boy is; but he still has to find the father, before a major league gangster out for revenge can get to him first.

A notorious jewel thief named Justin arrives in town at the same time as a shipment of famous jewels arrives for display in a local museum. Ironside must keep the thief guessing about the method of shipment so that the jewels will remain safe; but he is up against a mastermind and there is still an inside man who has to be unmasked.

A rich man is murdered, and his man-servant is the prime suspect, until a talkative Mynah bird appears which may just have the solution to the whole case on the tip of his tongue.

A famous baseball player who is an old friend of Ed's begins to receive nuisance mail, which soon turns into something far more sinister. Fearing for his family, he refuses Ed's offers of assistance, and tries to handle the situation alone. Ed has to persuade him to change his mind, before events get out of hand.