Abyss (深渊无间 / Shen Yuan Wu Jian) is a 2026 mystery, action, adventure, police, and crime Chinese drama starring Ren Jia Lun and Qin Jun Jie. When an online novel called Abyss appears in a quiet small town, its story begins revealing details that closely match a long-unsolved cold case—information that was never made public. Rookie police officer Li Cheng is drawn into the investigation, facing multiple suspects and uncovering hidden connections between the case, the town’s families, and their buried secrets. This post covers the drama’s synopsis, story breakdown, cast, production information, and where to watch Abyss.
- Title: Abyss
- Chinese Title: 深渊无间 / Shen Yuan Wu Jian
- Broadcast Date: 9 September 2026
- Broadcast Network: iQiyi
- Genre: Mystery, Action, Adventure, Police, Crime
- Director: Liu Hai Bo
- Screenwriters: Nie Cheng Shuai, Xiao Shi Yao, Guo Kai Xu (郭凯旭), Luo Ding Yi (罗鼎屹)
- Presenter: Wang Ou Lei
- Producer: Wang Ye Xun
- Executive Producer: Niu Ji Xin
- Production Companies: iQiyi, Huace Media, Tomorrow Film
- Episodes: 16
- Watch On: iQiyi
Abyss Synopsis
The long-standing peace of a conservative small town is disrupted when an online novel titled Abyss appears. Several details in the novel closely resemble a cold case from years earlier, even though the case was never made public. Li Cheng, a passionate and righteous rookie police officer, begins investigating and faces a series of battles of wits with different suspects. As he follows the clues, he works to uncover the truth hidden beneath the relationships between families and friends.
Abyss Story Breakdown
Abyss begins in a conservative small town where an online novel titled Abyss attracts attention because of its striking similarities to an old cold case.
The case has remained unresolved for years, and crucial details about it were never made public. The appearance of those same details in the novel raises questions about the source of the information and the connection between the novel and the unsolved case.
Li Cheng, a rookie police officer, becomes involved in the investigation. As he searches for answers, he encounters a number of suspects and engages in a series of battles of wits while attempting to determine who may be connected to the case.
The investigation gradually brings hidden connections between the town’s families and friendships to light. Li Cheng follows the available clues as he attempts to uncover the truth behind the cold case and the secrets surrounding it.
Abyss Cast
Main Roles
- Ren Jia Lun as Li Cheng
- Qin Jun Jie as Han Pinmu
Special Appearance
- Wang Yan Hui as Zhao Qianzhe
- Tian Xiao Jie as Xin Jiran
- He Bing as Fan Jie
- Ni Hong Jie as Chen Chunli
- Hao Ping as Li Guangwen
- Zong Jun Tao as Zhang Chengguo
- Zhang Yi Chi as Sun Qiang
Supporting Roles
- Li Zhi Xia as Xu Ling
- Rong Fei as Hu Sen
- Li Tian Nuo as Wang Tao
- Peng Hao Sen as Yang Feng
- Wang Lan as Sun Yuhua
- Guo Cheng as Xin Xiaoliang
- Liu Si Ying as Zhao Ying
- Jiang Guan Nan as Guo Pengfei
- Lu Ling as Liu Min
- Shi Liang as Chief Tu
- Li Min Cheng as Bi Dehua
- Liu Wei Wei as Huang Yuxia
- Zhang Fan as Li Zhengbin
- Zhou Zhi as Wu Jiajia
- Ma Jia Chun as Hu Xiaofei
- Wang Zheng Quan as Wang Dehai
- Wang Hong Mei as Lin Guizhi
- Tian Ling as Song Jindi
- Feng Peng as Zhang Quan
- Qi Kui as Chen Dingkun
- Li Xiao Qiang as Song Laifu
- Zhang Xi Qian as Chen Wanji
- Zhou Da Yong as sports center manager
- Guo Yong Zhen as Wang Zhengcao
- Dong Hai as Luo Jinsong
