Su Mo witnessed her stepmother murder her mother, but her stepmother was protected by her father, while Su Mo was sent to a women's virtue school for ten years. To thwart her father's plans, she deliberately spent a night with Lu Sinian before returning home. When they met again, she knew his identity as a young marshal, so she used herself as bait to lure him into becoming a tool for revenge. The two fell in love amidst repeated manipulation and entanglement, and ultimately joined hands to take revenge and get married.