Her mother is critically ill and in urgent need of a huge sum of money. The down-and-out daughter Wen Yuxueye accidentally cheats on the president Zhang Qingshu. Due to sky-high debts and old grudges from their parents, the two are forced to sign a contract. He is cold and cruel, but he hides deep affection and protects his shortcomings to the extreme. She endures the desperate situation but fights back step by step, transforming into a black lotus. From torturing each other to working side by side to investigate the truth of an unjust case, seven years of love and hate got out of control in the tug of war.
