Underbelly is an Australian television true crime-drama series, each series is a stand alone story based on real-life events.

To save his daughter's life and restore his reputation, disgraced ex-detective Nick Mathers must catch the sadistic Grand Master killer before time runs out, and the final piece is taken in the deadly game of chess.

Underbelly is an Australian television true crime-drama series, each series is a stand alone story based on real-life events.