This is a story about deep love but inability to stay together, mutual torture and mutual redemption. Shen Yunxing and Su Lan fell into a sadomasochistic relationship due to old family grudges and misunderstandings. They hurt each other in the sharpest way, but silently paid their deepest care in a corner that no one knew about. When the truth is revealed layer by layer, can they still cross the gap and make up for the scarred past?