Baek Si-woo returns to his hometown after 13 years, after he left to go Seoul. When he arrives, he is reunited with his childhood friends. Friends who felt uncomfortable after "that incident" that caused Baek Si-woo to leave.Despite everything, Si-woo was relieved to see his friends after a long time. In the welcome dinner he ends up becoming drunk then he falls asleep... Later woke up with a hickey on his neck."Huh? Who the hell left a hickey on my neck...?"