Luhan came back to redeem his sins for his wife, Krystal. He realized that he loves Krystal but because of his self-esteem, Krystal had been tortured by him on their early marriage. Krystal who was a naive and plain girl changed drastically. She became a new one as a bad girl. She had promised to herself to destroy Luhan's life. Krystal made a challenge that 'Luhan had to something to make her accept him back, in about fifty days'. Will Luhan enable to get Krystal back? And Krystal, could she forget the past and accept Luhan back?  How about Sehun, a guy that loves her on their first meeting?

'I who started this games will make sure that the games played 'nicely' until the end. I will make sure that he will suffer as he did to me. I've never trust a man even he's my husband. But what will happen if I choose to be happy with him although I've promised to myself not to ever fall in love with him. The man who's shook my heart again. Why he always tolerant of my bad attitude? Oh God please help me to forget and hate him' - Krystal , 22 years old

'I'm sorry if I was the reason that you're not happy and I'm sorry if you'd hurt because of me. I'll try anything to make sure that you can get a happiness even you want me to let you go. Altough I can't bear enough to face it.' - Luhan, 23 years old

'For the first time ever, I've fell in love to that girl at first sight. Yeah, it sounds crazy, right? A playboy like me can have a true feeling to love somebody. I really love that girl even she had married with my best friend. I will find a way to get her although I have to against my best friend. - Sehun,23 years old