Martin works at the local radio station, which just hired a new scriptwriter with a reputation for great drama, Pedro Carmichael. Martin’s aunt Julia, not related by blood, returns home after many years away and Martin falls for her. Once Pedro finds out about this romance, he starts incorporating details of it into the script of his daily drama series. Soon, Martin and Julia are not only hearing about their fictional selves over the radio, but about what they are going to do next.

This musical is based on four short stories by Damon Runyon. In one tale, gambler Feet Samuels sells his body to science just as he realizes that Hortense loves him and that he would rather live than die. In another story, Harriet's parrot is killed, and she has problems dealing with her loss. Then, there is a gambler, "Regret", who has bloodhounds on his trail when he becomes a murder suspect. Finally, "The Brain" is bleeding profusely, and his friends search for a way to save his life through a blood transfusion.

A young boy is scared of the monster under his bed. He asks his 6th grade brother to swap rooms for the night as a bet that the monster really exists. Soon the brother becomes friends with the monster and discovers a whole new world of fun and games under his bed where pulling pranks on kids and other monsters is the main attraction.