Yusaku and Azusa run a soba restaurant together as a married couple. One day, they take in a young homeless man named Suzuki, allowing him to live and work at the shop. However, Suzuki's behavior and mannerisms seem suspicious, and Azusa begins to doubt his true intentions. Eventually, she decides to fire him and kick him out of the house, but Suzuki suddenly strips naked and violently assaults her. This shocking turn of events unfolds into a gripping tale exploring the fragility of family bonds and the intense conflicts within human relationships.