Senator Chalmers is aiming to take down mob boss Pete Ross with the help of testimony from the criminal’s hothead brother Johnny, who is in protective custody in San Francisco under the watch of police lieutenant Frank Bullitt.

Poor Major Minor is disgraced and kicked out of the Adventurer's Club because he has never captured Snagglepuss. The Major decides to use Snag's passion for acting against him, and he mounts a road show, which fools the mountain lion. Successful at last, the Major drives his captive directly to the Adventurer's Club stage, but Snagglepuss outwits him when he asks permission to do a farewell performance.