Operation Mekong (2016) is a Chinese action thriller directed by Dante Lam. The film is based on true events and centers around the fight against drug trafficking in Southeast Asia.

The story is set in the Mekong River region and follows an elite team of Chinese undercover agents who are tasked with dismantling a powerful drug cartel. The plot kicks off after a violent incident on the Mekong River, where a Chinese cargo ship is attacked by a group of armed drug smugglers, resulting in a massacre.

In response to the attack, a special operations team, led by Captain Gao (played by Zhang Hanyu) and his team, is deployed to investigate and bring the perpetrators to justice. The film showcases their high-stakes mission as they navigate dangerous territory, confront heavily armed criminals, and engage in intense action sequences.

Operation Mekong is noted for its thrilling action scenes, realistic portrayal of anti-drug operations, and its focus on international cooperation in the fight against drug trafficking. The film emphasizes themes of bravery, justice, and the global effort to combat organized crime. It received praise for its high-octane sequences and gripping storytelling, making it a standout entry in the action genre.