Operation Mekong (traditional Chinese: 湄公河行動; simplified Chinese: 湄公河行动; pinyin: Méigōng Hé Xíngdòng; Jyutping: mei4 gung1 ho4 hang4 dung6) 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, ..