A forbidden and immoral tale of a female college student volunteering as a caregiver who becomes involved in a physical relationship with an elderly man she visits. She and the manager of the agency that dispatched her are in a relationship, but when she visits the man's home, he witnesses the female college student masturbating for the old man. The angry manager scolds her and rapes her. Hearing her loud cries, the old man comes to her aid. The female college student thanks him while crying. From then on, the two of them become even more intimate...