"River God 2" is a series of fantasy and detective themes adapted from the novel "River God: Strange Talk about Ghosts and Water". The play continues the story of the first part. Guo Deyou is the captain of the Wuhe Corpse Salvaging Team, known as the "Xiaohe God". Ding Mao is the current chairman of the Water Transport Chamber of Commerce. At the first time, Guo Deyou pretended to join the Mogu Road and stopped the conspiracy of the Mogu Road, but the bomb exploded, and the rivers in Tianjin Wei were polluted, and Guo Deyou was also regarded as a remnant of the Mogu Road. Guo Deyou and Ding Mao began to explore the source of Ershui and clear up their grievances. The two in the middle worked together to solve a case, but things also turned a little bit wrong. The truth of the matter slowly surfaced, and Guo Deyou finally realized that all the previous cases were closely related to each other. All this is to pave the way for the biggest case of "nine cows, two tigers and one chicken". Guo Deyou and Ding Mao continue to search for clues, whether they can finally find out the truth of the case