Haeyon and Taesik become sex partners thru a gay app. However, Taesik doesn't realize that it was Haeyoon because he is made to wear blindfolds and earphones, listening to an erotic video. Then, Taesik becomes depressed because he feels avoided by Haeyoon while Haeyoon is called by their mutual friend in order to cheer him up. Once the truth was revealed, Taesik is shocked and is unable to accept it. Haeyoon, who initially wanted it to be his last decided on committing and pursued Taesik upfront. In the end, they end up together thru the help of their mutual friend.
App