Feature-length pilot then episodic series - Budget to be determined  

Bourne meets Equaliser in this gritty Get Carter-ish revenge thriller, as we join
former SAS operative Mason and his wayward son, on a relentless crusade
to track down the international drug dealers responsible for his wife and
daughter’s death.

Set against Bristol’s dark subterranean waterways from its slave-trade legacy,
Mason discovers that there are other victims the law has failed that need his
unique services...