A wine connoisseur kills his half- brother to prevent him selling the family winery to a merchant company so he can pay off his gambling debts.

An Irish poet, who fronts a peace organization while secretly running guns, kills an arms dealer who tries to swindle him.

Lt. Columbo delves into the world of magic, ESP and slight of hand as he investigates the death of a magician, and there appears to be a tie to a prodigal psychic supported by a government founded institute on parapsychology.