Bangkok. A dream city, a trap city...The Asian capital, where the culture of the East and the practicality of the West are intricately intertwined. “Tropical Paradise”, considered the secret center of prostitution and drug trafficking. Here human life is cheap, and crimes are not always solved. However, Detective Sonchai, a former street bandit who has now become a tough cop, is not used to retreating. He intends to complete the investigation of the mysterious murder of an American military man, no matter what the cost. He is ready to put his own life on the line and make his way through the most dangerous areas of the city, where violence reigns and vice has become a way of life...