In order for her mother to help her half-brother, Xu Zhen promised her grandfather's friend Mr. Shen to marry Shen Lingfeng, the grandson of the Shen family. The two signed a prenuptial agreement, agreeing to keep their marriage a secret and to keep a distance of one meter outside and 50 centimeters at home. At first, Shen Lingfeng was full of suspicion of Xu Zhen. After the marriage, When Shen Lingfeng got along with Xu Zhen, he thought she was greedy for money, but at the same time he couldn't help but be attracted to the tough and kind-hearted Xu Zhen. He kept the distance agreement, but couldn't help but get closer to Xu Zhen. As they got along, Shen Lingfeng gradually let go of his suspicion. Xu Zhen also felt Shen Lingfeng's care and tenderness, and the two began to have true love.