Lt. Columbo travels to London in Season Two. “A Dagger of the Mind” finds Columbo investigating the murder of Sir Roger Haversham. His prime suspects are playing the leads in a new production of Macbeth being financed by Sir Roger. Columbo is gaining recognition and notoriety for his ability to solve even the most perplexing murders. There’s more crime in the homes of the rich, white, and famous. You’ll see Columbo harassing a symphony conductor, an orchid grower, a football team owner, an aging actress with many secrets, an ambitious physician, a chess champion, and ne’re-do-well twins. Through it all, Columbo is his usual, unassuming and charming self.