In a town where the river is the main source of living and it's revered as a deity, two corpses are found down the water, a baby an a wealthy man. The man's son would team with unlikely partners to know the truth.
Guo De-You recruits Gu Ying to help him track the clandestine midwife who delivered the baby. Meanwhile, Ding Mao research the missing persons' archives, to identify the baby's family and find the connection with his father's murder.
Guo Deo-You and Ding Mao are closer to find the truth about the death of Xue Yuan-Yuan and her baby. Meanwhile, Xiao Lan-Lan enlist the help of Police Captain Fu to find the whereabouts of her fiancé, Qian Zi-Xian.
The heads of Tientsin town must deal with Guo De-You's discovery at the river. Xiao Lan-Lan approaches Ding Mao for help. Guo De-You and Gu Ying help Ding Mao to find a way to investigate the hospital.
Guo De-You, Ding Mao and Gu Ying find Xiao Lan-Lan at the hospital and they investigate the cause of death of the deceased. This leads to the search of the real cause of death of someone close to Xiao Lan-Lan.
After Mr. Hu's confession with police Chief Fu, a new body is discovered at the river, which leads Ding Mao to ask Mr. Hu for the truth of what happened 20 years ago.
Guo De-You prepares to search for Sun Lao-Qi and Ding Mao join Yu Si and his men to face Cui and his men. Meanwhile, Xiao San awaits with an unsettling someone.
Guo Deo-You recruits the help of Wang Mei-Ren to take a look on a secret file. Ding Mao receives advice from Xiao Lan-Lan. Huang Yu causes more trouble while Cui forms a new alliance.
Looking for answers, Guo De-You with Xiao Lan-Lan and Ding Mao with Police Captain Fu arrives to Xiaoxiguan Prison, where something sinister awaits to happen.
