Welcome to our Swapping Party hosted by Tada! As we gather at the venue, there's palpable tension among the five couples present. Each couple harbors their own worries and desires. Hostess Tada Eriko Hiraoka brings her husband along while secretly yearning for another man. Housewife Isshiki Momoko pretends to be with her son when she really wants to escape her loveless marriage. Friendly but frustrated wife Tomoda Maki struggles to hold onto her young lover. Rice-cooker housewife Hirano Makoto feels unfulfilled due to her husband's sexual inability. And lastly, cheating-prone wife Mizuno Yuka grapples with conflicting emotions about her husband's infidelity. As the swapping party unfolds, various motivations collide...