Hana, a daughter-in-law who lives with her husband's parents to take care of her sick mother-in-law, is almost at Kokoro breaking point due to her mother-in-law's malicious bullying of her, but is saved by her father-in-law's encouragement. One day, Hana notices that her underwear has been stolen, and suspects her unemployed brother-in-law, so she calls him to her room. However, Hana, who has been targeted by her brother-in-law for some time, is pushed down on the spot. Her father-in-law, who has been listening to what is happening from the shadows, blames and torments the weakened Hana. Since then, he has treated Hana like his own property...