Kenichi and his wife return home for the weekend, visiting his mother-in-law Reiko at her traditional Japanese house nestled in the mountains of northeastern Japan. Reiko warmly welcomes the couple, their cheerful smiles painting a picture of a tightly bonded family. But one evening in the bathroom, as the two talk, Kenichi's hidden struggle comes to light—his marriage has become sexually stagnant, filled with unspoken loneliness and emotional distance. Seeing his pain, Reiko gently reaches toward her young son-in-law's groin, comforting him with tender, heartfelt touch that speaks directly to his aching soul...