Qin Long sends his spoiled son Qin Mingyuan to the countryside, where he is tamed by the strong Su Nian. They bond but separate.Eighteen years later, Qin Mingyuan is a fighting champion searching for Su Nian. Su Nian, now a gang leader, is taken back to her birth family and forced to marry Qin Mingyuan in place of her sister.They meet at a boxing gym. Not recognizing her, Qin tries to bully her into canceling the engagement—only to be defeated. They marry.After marriage, they clash. As Su Nian shows her true strength, Qin begins to suspect she is the Su Nian he has been seeking.