Hikari, a new announcer, and her boyfriend Tetsuya, a producer, are a happy couple who are about to get married. One day, Hikari falls during a location shoot and hurts her back. Tetsuya calls a massage therapist to help the injured Hikari. Despite Tetsuya’s kindness, Hikari gradually becomes sexually aroused as the masseuse massages her sensitive areas, and they end up crossing the line.