Affected with a bad case of insomnia, Herman decides to go out for a walk in the local park. During his walk, a thief snatches a purse from a lone woman and disappears. At the same time a drunk and another woman see Herman in the park and call the police reporting a monster in the loose. The following morning Herman is confused by the newspaper count of the monster in the park. Not realizing that he is the monster, Herman finds police conditions deplorable and fails to understand how such things are allowed to happen.
The wife of a prominent physician is arrested for drugging her husband, causing him to crash his private plane. But then he turns up alive, living in Mexico with a beautiful nurse.
Fred wages an all-out war to get rid of Puerto Rican neighbor Julio (Gregory Sierra).
Mary, Laura, and Mr. Edwards' adopted son Carl long to get a first-hand look at the kinds of trains they learn about in school. The kids eventually con their parents into letting them go on a business trip with them. While messing around on a caboose at the train station, the children are in for the ride of their lives when it detaches from the rest of the train and runs loose.
A beautiful model leads Perry Mason to a missing heir's racket and murder.
