After the divorce, Ya Liying, who was pregnant, met her ex-husband Li Zhuwang who was shopping with Bai Xiulin. During the chase, she was hit by a truck on the road. She accidentally went back to the time when she was 5 years old. Her mother was still there and her brother was still alive. The person she was most sorry for only hoped that he could find a girl who truly loved him. But when love comes, there is no sorry, only "I love you."