Ayumu lives with her husband Tetsuya and her in-laws, taking care of her stepmother Shizuyo, who has poor eyesight, and her ailing father-in-law Tokujii, whose health has deteriorated from caregiving. However, as Tokujii gradually regains his strength, he begins to take advantage of Shizuyo's failing vision, directing inappropriate gazes toward Ayumu. A poignant story unfolds, depicting the bonds and tensions within the family.