They fall in love on campus, expecting to live happily ever after, but later, all that remains is pain... Kou Xin brings her sick father to the big city for treatment, where she meets Sheng Xi at the hospital. Sheng Xi unexpectedly discovers clues about Kou Xin’s father’s illness that may be connected to events from years ago. When Kou Xin learns the truth, she is shocked and devastated, while Sheng Xi is torn by conflicting feelings.