This happens two years after Jandi and Jun pyo gets married. Cha gaeul and so yijeong are a couple now planning to get married in a few months,Song woo bin had a mysterious girlfriend that no one had met but it was very obvious that he was in love. Yoon Jihoo however promises himself not to fall in love again because he had already suffered two heartbreaks so he decides to get married to a woman(Gu Soeun»she is Gu jun pyo's cousin)who he considers to be an ideal woman but the other members of the F4 doesn't agree with his decision and they would do everything in their power to stop him from making this mistake.