Dead or Alive 2: Birds (2000)

Two contract killers unexpectedly reunite while on the same assignment, discovering they are childhood friends. Taking a momentary pause from their violent careers, they return to the small island of their youth, reminiscing about their shared past. Inspired by their memories, they resolve to join forces, putting their lethal skills to use for a noble cause. This decision, however, doesn't sit well with the crime syndicates that employed them, setting off a chain of events that pits the duo against their former employers.