A woman who blames both her business partner and Lt. Columbo for the loss of her husband, who died in prison serving a manslaughter sentence after an arrest by Columbo, murders the business partner, and sets her sights on Columbo's wife.

A woman who blames Lt. Columbo for the loss of her husband sets out to get back at him. But before she goes after him, she first goes after the man who informed on her husband and by showing the Lt. how it feels to lose a love one; by going after his wife.—<[email protected]>

After a crooked estate agent dies in prison, his widow decides to plot her revenge against those who put him there. First she kills her husbands's boss who had shopped him to the police and then sets out her plan to get rid of Columbo and his wife due to the fact that he was the lead detective in her husband's case.

Vivian Dimitri is out for revenge against Colombo and others for putting her husband in prison where he dies. First, she murders her boss and uses her married lover for an alibi. Then she targets Columbo and the person closest to Colombo his wife.—charmardee-smith