After working through the night, economics PhD Li Weidong suddenly died and transmigrated to a courtyard house in Nanluoguxiang, south of Beijing, in 1950. He became Li Weidong, an orphan with no parents, left alone and constantly schemed against by his neighbors. From the start, Jia Zhangshi, Xu Damao, and others set their sights on his property, but he used his modern way of thinking and knowledge of the times to cleverly overcome each crisis.