Undercurrent (2025): cast, story & where to watch
2025 · Film · ★ 8
Released in 2025, Undercurrent is an action film directed by Jiao Xiaoyu, running about 87 minutes.
What it’s about. A new type of drug emerges in Harbor City, leading investigators to a two-year-old armed drug smuggling case—with all clues pointing to the Hongtu Group. Lu Yunlong, a recently transferred undercover agent, infiltrates the organization and gains the trust of its chairman, Li Hong, after saving his life. However, he soon discovers that the group's second-in-command, Chen Biao, is the very man who murdered his teammate years ago. Teaming up with fellow undercover agent Xu Li, Lu engages in a deadly battle against the drug cartel. Through life-and-death confrontations, they ultimately succeed in dismantling the entire syndicate.
Who’s in it. Undercurrent stars Wang Ting, Tang Wang, Hei Zi and Wang Hongxiang, among others.
How it landed. With an audience score of 8.0/10, Undercurrent sits among the best-reviewed titles in the catalogue.
Where to watch. Streaming options change often. See the full, country-by-country breakdown on our where to watch Undercurrent page.
If you liked it. Fans of Undercurrent tend to enjoy The Dark Knight, The Lord of the Rings: The Return of the King, Inception and The Lord of the Rings: The Fellowship of the Ring.
Frequently asked
- Where can I watch Undercurrent (2025)?
- Streaming, rental and purchase options for Undercurrent change frequently. Check our where-to-watch page for the latest availability in your country.
- Is Undercurrent worth watching?
- Undercurrent holds an audience score of 8.0 out of 10, and is a strong pick if you enjoy action. Most viewers rate it highly.
- Who stars in Undercurrent?
- Undercurrent stars Wang Ting, Tang Wang, Hei Zi, Wang Hongxiang and Shao Bing.
- When was Undercurrent released?
- Undercurrent was released in 2025, with a runtime of about 87 minutes.