Ayase Kokoro's family went on a hot spring trip together for a few days to relieve stress. Things went too far when her father-in-law saw her hot body and he couldn't control himself and tried to rape her. After that, this father-in-law went to this daughter-in-law and did his thing, despite her fierce resistance. During the entire trip, this daughter-in-law was beaten by her father-in-law until her whole body was limp. Will she be discovered by Ai?