A wealthy man named Walter Stevens is targeted by a serial killer known as "The Gorilla", who is posing as a wealthy client. Stevens, aware of the threat, sets a trap to catch the killer by inviting his niece and her fiancé to visit, along with a trio of incompetent detectives. As the night unfolds, a real gorilla escapes and chaos ensues. When the lights go out, Stevens disappears, and the detectives fail to protect the group from the killer.
The Gorilla
A wealthy man hires the Ritz Brothers to solve a mystery surrounding a killer known as The Gorilla, only to have a real escaped gorilla appear at his mansion, adding to the chaos.
