Before dying from HIV, a man names three college girls that he had sexual relationships with while working at Southern University. A four-member special investigation team is formed to track them down

Wang Laoda from Xiaowang Village may be slow-witted, but he is honest, simple, and kind-hearted. The production team leader, Li Yongxu, and his wife notice that Wang Laoda lives alone and find it difficult for him. They try several times to arrange a marriage for him, but the prospective brides are deterred by his simplicity. During the three years of natural disasters, Wang Laoda meets a widow named Da Cui, who is fleeing with her children. Despite the villagers’ ridicule, Wang Laoda marries Da Cui.