Kojak is suspicious of anonymous tips suggesting that an underworld boss is attempting assassination of his rival which would lead to a mafia war.

Kojak pretends to be corrupted (buying even more expensive suits than usual and a brand new Cadillac)—not without opposition from Capt. McNeil, who tries save as much police money he can—to catch a narcotics dealer in the act.

To head off a bloody war between rival crime families, Kojak must find out who committed a series of murders in Chinatown and bring them to justice.

To head off a bloody war between rival crime families, Kojak must find out who committed a series of murders in Chinatown and bring them to justice.

After a policeman is shot by a local known criminal, Kojak sets out to get the man behind bars, but his efforts are disrupted by FBI agents who are supposed to be helping. He then pursues the trail alone, taking him to Califormia where the criminal is hiding out.

Kojak suspects that a small-time criminal was framed for a murder, but the man refuses to cooperate when Kojak tries to prove his innocence.

An informant (Paul Anka) uses a detective in order to further his way up the criminal ladder.

A woman (Ja'net DuBois) intentionally plots to have her husband murdered during a diamond heist that she had planned with her secret love interest (Leslie Nielson).

Kojak is particularly affected by the murder of a beautiful Manhattan playgirl.

A colleague of Kojak's, Detective Weaver, discovers that a former high school buddy is now involved in fencing a million dollars' worth of stolen diamonds.

A private detective recently arrived from the West Coast puzzles Kojak when he appears to be deliberately making himself a killer's next target.