Aiden is a manager of the Wu Hotel just be told that he has a sister that be left of his father at Shanghai. He made a decision to find his long-lost sister. 

Elaine was an orphan since her mother passed away but then found out her brother was looking for her. She hesitate whether she should follow him or not.

Will Aiden success in bringing his sister back? Will Elaine follow her brother and start a new life at Korea?

Kim Iris who just be cheated by her fiancee confused with her feelings whether she should open her heart for a new man in her life? Will her new relationship will turn out to be a happy or she will be dumped again?

Park Chan Hee was attratcted to one girl that scared of CAT?