In a violent attack, Xing Tian falls unconscious into a river, then saved by the female lead. He wakes and find love at first sight. To be near her, he becomes her company's security guard. As the company faces crisis, Xing Tian uses his wisdom and combat experience to save it. When she's in danger, he always protects her. Their feelings grow, but he's forced to leave. The enemy captures her, and Xing Tian races back to rescue his beloved. After overcoming obstacles, they find happiness together.