Nothing to Lose (2002)
Nothing to Lose (, or Neung buak neung pen soon, literally, 1+1=0) is a 2002 Thai crime-comedy-drama film written and directed by Danny Pang of the Pang Brothers. It is Danny Pang's solo directorial debut, and is part of the loose "Bangkok Trilogy" by the Pangs that also includes Bangkok Dangerous (1999) and One Take Only (2003).
More at Wikipedia.