All four episodes of the drama based on the bestselling novel by T.M. Logan. Overprotective father Ed Collier (Jason Watkins) is struggling to sustain a living as a fisherman. When his daughter Abbie (Poppy Gilbert) introduces her new boyfriend Ryan (Aneurin Barnard) to her parents, Ed is immediately concerned. Teaming up with Abbie's ex-boyfriend George (Morgan Palmeria), he begins to investigate Ryan's past, but Ed has his own secrets to hide, secrets that might cost him his life...