Encountering in the forest, Su family's heiress Su Qing, to avoid a forced marriage, accidentally gets to know the mysterious man Lin Feng. She hires him with a high salary to be her personal bodyguard, and also signs a short-term marriage contract. She thinks he is only a construction site worker, little knowing he is the person in power of the Lin Group. Crises follow one after another, when the truth is uncovered, a piece of temporary marriage contract unexpectedly evolves into a lifelong romance.