Su Xia and Xu Jiqing's marriage is full of misunderstandings and emotional distance. Gathering her courage, she asks for a divorce, but the two are involved in a helicopter accident while traveling through the snowy mountains. At the brink of death, Su Xia unexpectedly returns to her youth and encounters Xu Jiqing while he is still a student. In her previous life, she was trapped in their tangled love and hatred, suffering in an unequal relationship. Given a second chance at life, she finally sees through the twists of fate. Back on their youthful school campus, she must face once again the man who once controlled every joy and sorrow in her life and uncover the truth hidden between them over the years.