To protect her family and shoulder the responsibilities of life, the exceptionally skilled Xu Qiaowei bravely challenges herself and applies to become the exclusive bodyguard of Ye Family young master Ye Chuan. Breaking everyone's inherent prejudice against female bodyguards, she successfully takes office with her solid abilities. Ye Chuan, situated in a complex environment, constantly faces many unknown tests year round. Xu Qiaowei always adheres to her original intention and conscientiously performs her duties, guarding with her heart and moving forward side by side. Day and night in each other's company, the two gradually come to know and cherish each other, warming and healing each other, rushing toward the tender romance of two-way protection.