Weon Yeong, who works as a motorcycle delivery girl, and Suhh, a barber, live a quiet existence in a seaside house near Busan. He's impotent, but she seems happy to be sexually serviced by him in other ways. Enter macho drifter Byeong Ho++, Su's childhood friend, who soon starts getting it on more conventionally with Weon Yong and awakens a rebel in the compliant young woman.