Carl and Elsa Spann have moved into a trailer park in California, after Elsa suffered a nervous breakdown. She is adjusting well to a more peaceful lifestyle, after her rigorous training as a ballerina. But then Carl comes home from work to find Elsa shocked and traumatized after a man assaulted her in the trailer. The police investigate, but find little to go on. Carl becomes increasingly angry about what has happened, and he is determined to kill the man responsible, if he can find him.