A government agent investigates the use of illegal amphetamines among long-haul truck drivers.

William Warner is a lawyer who is famous for his skill at opening any kind of lock, making him a valuable commodity. William is unknowingly enlisted by German spies who want him to open a chest containing a secret formula. This leads to a madcap adventure involving spies, the police and lots of picked locks!

A deep-sea diver becomes romantically involved with the daughter of a gold smuggler.

The stooges go to Egypt in search of the mummy of king Rootin-Tootin for which a museum will pay a $5000 prize. They wind up in the mummy's tomb where they are harassed by some bad guys after the same objective. The villains, who have kidnapped a professor from the museum, want the jewels buried inside the mummy. When Curly accidentally destroys the mummy, Moe and Larry wrap him in bandages to fool the bad guys. They manage to rescue the professor and retrieve the real mummy of Rootin-Tootin who turns out to have been a midget.