The members of Rainbow Club are facing a fresh start. Kian84 moves back to Seoul. Some of his secrets are revealed during the move. Sung Hoon is invited to a New Year party held by his trainer. Whatever you imagine, the party is beyond your imagination. Additional Cast - Kim Chung Jae (Kian's friend), Yang Chi Seung (personal trainer), Kang Min Hyuk (actor) (Sung Hoon's gym friends)