SleepWalking in Suburbia

Michelle Miller suffers from frequent sleepwalking episodes. She and her husband, Dan, are attempting to conceive their first child following a miscarriage the previous year. During one of her sleepwalking incidents, Michelle ends up in the bedroom of her neighbor, Luke Williams, while his wife, Nancy, is away. They engage in sexual activity; Michelle is oblivious to this occurrence, but Luke is fully aware and becomes infatuated with her, contemplating leaving Nancy to be with Michelle. Michelle soon discovers she is pregnant, but she is uncertain whether the father is Dan or Luke.