4 different couples spend one romantic week together over New Year's Eve. Both coming out of failed marriages, Ji-ho and Hyo-young are not open for the possibilities of new love. Heartbroken after being dumped, Jin-ah heads to the other side of globe and encounters Jae-hun who also has left Seoul behind. Yong-chan and Yaolin are an international couple soon to get married, but their already-growing marriage blues begin to get worse as Yong-chan is swindled out of his wedding savings. A Paralympic snowboarder Rae-hwan pops a question to his long-time girlfriend Oh-wol. They are a perfect match in their eyes, but not in the eyes of others.