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In the early 1980s, a family in a small town in the south of the Yangtze River lost a pair of twin baby boys. The father sold all his property and embarked on a journey to find his son. More than twenty years later, Liu Zhiyong's father died in a car accident, and the murderer escaped. His mother passed away shortly afterwards. The helpless Liu Zhiyong finally made up his mind to go to the northern metropolis to find his childhood sweetheart, Jiang Lin, a female classmate. Unexpectedly, he met a woman named Huazhixi halfway. According to her, Liu Zhiyong looked almost exactly like her new husband, but now her husband has mysteriously disappeared...