Dark Forest (2019) - Chinese movie

The UN anti-drug agency, along with Chinese and Myanmar police, has initiated a campaign against the Saka Group, a drug trafficking organization smuggling narcotics through China. Forest officer Zheng Hongfeng finds himself in a perilous situation, teaming up with Wu to avenge a slain colleague and combat the traffickers in dense border forests, ultimately collaborating with anti-narcotics forces to dismantle the dealers' operations.