세 사람이 동시에 사경을 헤매고. 3년 후, 이전과 다른 모습으로 살고 있는 지혁, 은오, 성재 가족들은 앞을 보고 나아간다.
Sang-cheol is rushed to the hospital after a devastating accident and fights for his life, while Jin-seok finds Seong-hui unconscious and gets her to the emergency room just in time. Three years later, Ji-hyuk, Eun-oh, and Seong-jae and their families are seen living their own lives, quietly shaped by all that has passed.