A millionaire's being threatened with a lawsuit by a man he did business with. And at the same time his mercenary of a wife has been having an affair...
Columbo's stalking a killer. But what he doesn't know is that the real murderer may be someone on his own investigating team. Peter Falk reprises his role as the crafty Lieutenant Columboin this film, which marks "Columbo's" 25th anniversary on network television. In "Columbo: A Trace of Murder," the wily detective questions an overbearing millionaire, Clifford Calvert, a fellow cigar aficionado, who's accused of murdering a business rival. But things get complicated when two unlikely people, the police forensic scientist on Columbo's own investigation team and Calvert's unhappy wife, Kathleen, know more about the case -- and each other -- than they should; and a tiny piece of evidence -- a cigar stub-- leaves Columbo puzzled.