A married woman who seems to be enjoying a drive with her family on her day off actually has a "second master" that her husband doesn't know about. She feels sorry for her kind husband, but her other master has given her sexual training and she can't resist him... Today, in the middle of a family drive again, her master doesn't seem to care at all and seems to be enjoying it, and with just a phone call, he summons her to the park's toilet. Everything about her being cuckolded in a lewd public toilet is revealed...