Wu Aiguo originally wanted to be an ordinary watch repairman, but he did not expect that while rescuing people, he accidentally exposed his identity as the Thousand-Faced Thief King. He was coerced by the ninth master of the Rong family and returned to the world. In the process of searching for the master, they met brother Tang Liang. The two gradually uncovered the Buddha's fake death, the secret of the gold bars and the conspiracy of the gang. In the end, they used the way of a thief to do justice, completed self-salvation, and interpreted the true heart of a thief.