'' Operation Mekong '' ( ) is a 2016 Chinese-Hong Kong crime action film directed by Dante Lam and starring Zhang Hanyu and Eddie Peng . The film is based on the 2011 Mekong River massacre . It was released in China on September 30 , 2016 and became one of the highest-grossing films in China
Mekong River massacre
Mekong River massacre
Operation Mekong