Adapted from the classical 14th century novel of the same title by Luo Guanzhong, Romance of the Three Kingdoms is part historical, part legend, and part mythical – romanticises and dramatises the lives of feudal lords and their retainers, who tried to replace the dwindling Han dynasty or restore it. The focus is mainly on the three power blocs that emerged from the remnants of the Han dynasty, and would eventually form the three states of Cao Wei, Shu Han, and Eastern Wu.

Wu Xueying comes back with her doctorate. Once at home, she hears of her brother's suicide and Mad Lu takes away her file case. The police believes that her brother was murdered.

After he was demoted and sent to the mortal world, Erlang Shen needs to open his third eye in order to subdue the thousand-year dragon that violated heaven’s law and broke through the dragon gate. This is the only way he can return to heaven.

Chen Lihua, a cashier at the Hongguang Store in Meishan City, was killed on the way to the bank. After receiving the alarm call, Han Zhong, deputy director of the Public Security Bureau, immediately led a team to the site to investigate.