In the early 1980s, a family in a small town in Jiangnan lost a pair of twin boys. His father changed his property and embarked on the journey of looking for his son more than 20 years later, Liu Zhiyong's father, who lives in a small town in the southwest, died in a car accident, and the murderer escaped. His mother also died shortly afterwards. Helpless Liu Zhiyong finally made up his mind to go to the northern metropolis to find his childhood sweetheart Jiang Lin. unexpectedly, on the way, he met a woman named huazhixi. According to her, Liu Zhiyong is as like as two peas in her new husband, but her husband is now a stranger.