The threatened revelation of damaging ecological information results in a murder that Petrocelli must solve.

A singer hires Petrocelli to defend him when his career is jeopardized by a homicide accusation.

Although witnesses swear they saw her leave a murder victim's apartment minutes after shots were fired, Petrocelli's client insists she was at home at the time of the crime.

Petrocelli defends a penniless young crop picker who was captured fleeing a drugstore where he inadvertently left his fingerprints on a pair of scissors used to stab the owner.

A romantic triangle comes to a violent end when Petrocelli's client, a divorcee, is found kneeling over the body of her married boss with a fireplace poker in her hand.

A rich trophy wife gets accused of murder when she tries to leave her powerful controlling husband.

Petrocelli defends a hitchhiker accused of murdering a woman who had given him a ride and an amorous invitation.

Petrocelli defends a woman who, after being knocked unconscious in a fight with her boyfriend, awakened to find him dead and the murder gun in her hand.

Petrocelli defends a man accused of murder after he is found cradling the body of a woman who was raped and killed.

Petrocelli defends a pharmacist accused of deliberately poisoning a customer.

Petrocelli defends a spoiled heiress accused of planting a grenade in her father's airplane to speed up her inheritance.

Petrocelli unravels a murder mystery rooted in blackmail.

Petrocelli's client, a cop, claims he didn't kill his wife's lover, even though he was found over the body with a service revolver.

Petrocelli's high school idol, a boxer now over the hill, is accused of beating his new manager to death.

Petrocelli's defense of a young transient accused of arson and murder is complicated when the only witness who could help the accused refuses to testify.

Petrocelli defends an evangelist's wife, who is accused of killing the mercenary manager who had been working her husband to the point of collapse.

Petrocelli defends a man accused of killing a woman with whom he spent the night in her home, waking to find her dead.

An argument over hypnosis theory leads to the murder of a professor and Petrocelli's client, a teaching assistant accused of the crime, can't recall the shooting.

Petrocelli's client, a physician, is found with a scalpel in hand, standing over the body of the woman who founded his clinic.

Three old codgers hire Petrocelli to defend the fourth member of their pinochle club, a man charged with killing his son-in-law.

Petrocelli defends a woman who kidnapped her son from her father-in-law.

Petrocelli defends a wife accused of killing her husband. She knows she killed him but says she didn't know she was doing it. Petrocelli soon realizes she was mentally ill and has to prove her not guilty by reason of insanity.