Michiko had been living alone until one day she suddenly began living with her daughter and son-in-law. Not long after moving in, she passed by their bedroom one night and heard loud shouting from inside. Suppressing her guilt, Michiko peeked through the door crack. She saw her daughter crying and screaming out her pent-up frustration, while her son-in-law Kotaro lashed out, overwhelmed by work stress. After that, Michiko began counseling the couple, gradually drawing closer to their hearts. But Kotaro, captivated by her warmth and tenderness, suddenly attacked her one day—. A profound human drama depicting how everyday conflicts spiral into such entanglements.