Victoria Song finally come back to Seoul after 6 years she left this city. Seoul is a meaningful city for her , full with lots of memories which she couldn’t even forget although she went to Beijing to erase them. Now she comeback here not by herself , Kevin Song 6 years old kid accompany her , her beloved son. She decided to visit Seoul only for attend her best friend engagement , Krystal Jung with her fiancé Choi Minho. But everything getting worst when they finally meet Nichkhun