Mi Na gets in an accident with a mysterious man. An anxious Hee Jae goes with Mi Na to an obstetrics and gynecology clinic. Can Hee Jae, who even bought toys to try self-pleasure, really do it alone?

Mi Na and Woo Jae realize they have the same physical needs and decide to become partners. Meanwhile, Hee Jae accidentally drinks with In-chan and borrows her liquid courage to make a shocking proposal to him.