Bangkok, Thailand. Mercenary Kuti Church (Djimon Hounsou) was hired by a mysterious businessman to assassinate six men for him. After the transaction was completed, the mysterious man hired Church to perform an assassination mission for him at a high price. According to the man, his daughter May (Jirantanin Pitakporntrakul) was kidnapped and killed by a notorious Thai prostitution and drug trafficking gang. With the help of the ruthless arms dealer Jimmy (Kevin Bacon), Church found his assassination target, but was then involved in a dark war between gangs. This seemingly simple task became more and more confusing as the situation developed. At the same time, the girl May was not killed. She was helping the church rescue other kidnapped girls. Suddenly, May disappeared again, and there was a huge secret behind her.