"I've already lost you once, I won't let you slip away again, I will never repeat the same mistake ever again." Kim Minjoo and Ahn Yujin are ex-lovers who claim to have already moved on from each other after four years of being apart. However, they met again. What if those old feelings for each other that were buried down to the deepest part of their hearts started to bloom again?

<<Son Chaeyoung is a daughter of a famous CEO but she never reveal her true identity to anyone except for people that are close to her. She's a cold type and arrogant kind of kid. She has no interest in relationship and she thinks that it's a waste of time.>>

After being divorce with her wife for a year Chaeyoung seeks new meaning with her life.Mina got to move on with her life with her new boyfriend while Chaeyoung stayed sulking nursing the hurt from their divorce.She was confronted with a very big dillemma;should she shatter the illusion of herself believing that she could still save their marriage or give love a second chance with someone else who patiently waits for her? In the end her heart had to choose.