Five years ago, Shen Yuan secretly donated his heart to save his wife, Zhu Xinyao, then faked his death and left, becoming the scumbag in her eyes. Five years later, Xinyao reunites with Shen Yuan as he lies on the brink of death. Unable to let go of her hatred, she demands to know why. But because he loves her deeply, Shen Yuan decides to conceal the truth, repeatedly pushing her away with coldness and cruelty, only deepening her resentment. Only as the truth gradually comes to light does she finally discover, in his final moments, the heart beating inside her chest that belongs to him.