 Dr. Bart Keppel has a very high opinion of himself, but, notwithstanding his opinion, he is being fired by Vic Norris. So he decides to plan a murder, a perfect alibi for himself and evidence against Mrs. Norris. He kills Vic while running commentary on a promotional short film. But there are bound to be some failures, even in the most perfect planning. And you can be sure that Lt. Columbo will find out these failures.