Charlie is a clumsy waiter in a cheap cabaret, suffering the strict orders from his boss. He meets a pretty girl in the park and tries to impress her by pretending to be an ambassador. Unfortunately she has a jealous fiancé.

When an escaped circus gorilla appears to have gone on a murderous rampage, a threatened attorney calls on the detective trio of Garrity, Harrigan and Mullivan to act as bodyguards. In short order, we discover that there is more to the attorney than meets the eye, and the ape may be innocent after all. When a pretty young heiress faces peril, it’s up to our heroic trio to save the day.

Private Snafu is coming home on leave. He tells everyone in town about the secret weapon that the military plans to destroy the enemy.