The Stooges are detectives who encounter a mad doctor planning to do a brain transplant on a damsel-in-distress. First Stooge short in 3-D.
The stooges are private detectives hired to find a missing girl. The boys disguise as pie salesmen and end up wandering around a mad scientist's mansion, trying to find the girl. The boys confront a gorilla and various other bad guys, before rescuing the girl.