Working as delivery boys, the Three Stooges must decide if they are "chicken" or man enough to complete their errand.

Don Gregor, the son of famous plastic surgeon Dr. Boris Gregor, begins to hang around with young criminal Vic Brady and carry a gun. The pair attempt an armed holdup, and when things start to go wrong Gregor accidentally kills a night watchman. Fearing that Gregor plans to turn himself in, Brady kills him and blackmails Dr. Gregor into giving him a new face.

Mr. Hook was created exclusively as propaganda to encourage Navy personnel to purchase war bonds.