She is the shady illegitimate daughter of the Ji family. She was forced to marry the cold-blooded Commander Gu on behalf of her sister, and became a stand-in in a marriage farce. He had his own heart, and regarded her as a thorn in his side, humiliating her in every possible way, and being indifferent to her. The despair on a thunderstorm night, the determination to burn old things, and the determination of divorce proceedings. She gave in step by step, but was hurt every step of the way. In the end, she cut off her love and left her hometown. Three years later, when they met again in a small town in the south of the Yangtze River, he lost all his anger and looked full of regret, while she had already been reborn, and her heart felt calm. Su Wanqing's revenge ensues. He sacrifices his life to protect her. Can the blood oozing from the wound melt her frozen heart? A substitute marriage, half a lifetime of sadomasochism, when the old dream meets the belated love, can they find the lost warmth in the world of fireworks?