To get back into the good graces with his better half with whom he has had a misconception, a young chemistry teacher creates a wild story that he is a covert FBI representative. To help him with his tale he gets the help of a close friend that is a TV writer. The wife ingests the story and also the film's climax occurs in the sub-basements of the Realm State Structure. The teacher and also his pal, thinking themselves detainees on an adversary submarine, patriotically try to scuttle the vessel and do well just in rocking the structure.