Mr. Quasi (Al Poe) is a mute handyman who lives with his pet frog. After he's despised by a woman for his disability, he decides to get medical assistance. Upon noticing his "nine-inch" tongue, the nurse Shirley (Tasty Freeze) refers him to swinger Cherry (Brigitte Maier). He now begins to attend the sexual life of Cherry and Nancy (Margo). Meanwhile, he's having the vision of a woman running to him on a beach where he frequently
In a flashback, it's revealed that he had killed his wife and her lover on this beach and he's been having a guilty conscience that eventually leads him to suicide. Dying, he has a final vision: his wife joining him on the beach and the two hugging.