Tommy Nelson, a boxer, is accused of murdering his manager. As detectives Bud and Lou investigate, they stumble upon an invisibility formula that Tommy uses to evade the police. Inspired by this discovery, they concoct a plan to capture gangster Morgan by having Lou compete against Rocky Hanlon, with Tommy's invisible assistance.
Bud Abbott and Lou Costello Meet the Invisible Man
Two inept detectives join forces to exonerate a man accused of murder, who has mysteriously become invisible, and uncover the truth behind his disappearance.