Gu Tian, successor of the Heavenly Dragon Gate, is ordered down the mountain to call off his engagement. He accidentally saves Su Wanqing, president of Su's Hotels. Facing commercial suppression and a forced marriage crisis, he poses as her fiancé to protect her. With superb medical skills, Gu Tian cures the elders' stubborn ailments, resolves the supply chain dilemma, and wins back Su Wanqing's mother's heirloom at an auction. Facing the Zhou family father and son's poisoning and kidnapping plots, Gu Tian steps forward to punish evil and promote righteousness, assisting the police in bringing them to justice. Through hardships, the two uphold kindness and the right path, ultimately joining hands to reap sincere love.