High school physics teacher Tong Yue is deeply in love with her brother Yanjie, but Yanjie chooses her classmate Qiao Kexin. The director of education, Su Mo, whose wife became a vegetable due to a car accident, launched a powerful pursuit of her when she was grieving. Ye Shaoning's appearance seemed like a vine on the edge of the cliff, and she clung to it tightly. The two started with a one-night stand and got married three months later. Ye Shaoning's boss was the victim of Tong Yue's mother's violent struggle for love. Her daughter Che Huanhuan returned from studying abroad. Che Huanhuan was very similar to the woman Ye Shaoning had been obsessed with for many years. As they got along, she fell madly in love with Ye Shaoning. At this time, Yan Jie mysteriously disappeared and Su Mo's wife passed away. Their marriage is on the verge of collapse, how can they let love fall freely?