Hikari Ninomiya went on vacation with her husband and father-in-law at a hot spring resort, but suddenly Hikari's husband had an unexpected job, so he had to go back and leave her there alone with his father-in-law. The two still enjoyed the trip normally until the blood in the father-in-law surfaced, he raped his daughter-in-law, and forced her not to tell her husband while on the phone...