Suzy is a popular girl group member of Angels. She falls from fame because of a video of her slapping another  member of Angels, Hani. She spends her time crying, locked in her room. One day, her bestfriends, IU and  Krystal, convinces her to go to a party full of celebrities. Kim Woobin is in awe and falls in love at first sight. He believes that Suzy didn't slap Hani even though there is a video footage of it and befriends her. Meanwhile, Suzy's  boyfriend, Lee  Minho is mad at her for slapping Hani, the girl he's cheating on Suzy with so he embarrases her in front of a crowd. Hurt and heartbroken by his betrayal, she  attempts to commit suicide but Woobin manages to  save her. Unfortunatly, Suzy has amnesia. Lee Minho is sorry and regrets everything, but will Suzy  regain her memories and forgive him, or choose Woobin who's been by her side  all this time? Who will Suzy choose; Kim  Woobin or Lee Minho?