An application comes in from a new customer under the control of her husband and a care helper company. The name is Osamu Saito ... In fact, her father was the head of the gangster Sakaguchi group, and was killed by the head of the Saito group, Osamu Saito, in the conflict at that time. ● Rena, whose memory of the day was revived, hides her identity and approaches Saito for revenge, but there was a gentle and weak old man who was completely different from the imagination ...