Six years ago, college student Su Qingxia fell deeply in love with her boyfriend, but their relationship was torn apart by her father’s opposition. Forced to separate, Chu Xunzhi lied that he had fallen for someone else and left, shattering Su Qingxia’s heart.Six years later, Su Qingxia has become a top surgeon, while Chu Xunzhi has risen to power as a feared underworld kingpin. When they unexpectedly meet again, he secretly protects her from the shadows, while she remains unable to let go of the past.In the end, Chu Xunzhi sacrifices his life to save her. Only then does Su Qingxia learn the truth, and is consumed by regret, spending the rest of her life lost in longing for him.