Han HyeRin, she is a 20 years old girl, half chinese and half korean. She wants to become a well known singer and she is on her 2nd year of college. And while her boyfriend, Park ChanYeol, is a well known badboy, cliché right? They've been together for almost 2 years, but that will all slide down the drain, when HyeRin finds out that he's been having a affair for almost a year and a half. What will happen for the both of them?