Loner Sam (Jacob Ifan, Cuffs) and his ambitious sister, Gina (Catrin Stewart, Stella, Doctor Who), live in a decaying steel town in South Wales. Since the death of their father 12 years earlier, the two have taken divergent paths. Gina has a promising career in the police force, but Sam’s life is going nowhere—until one day he gets his hands on a gun. Emboldened by newfound confidence, he begins to commit increasingly daring crimes.
Meanwhile, Gina is investigating the killing of a local car salesman. When the police connect the murder to Sam’s gun, Gina makes it her mission to find the owner of the weapon. But as she digs deeper, she discovers information about her father’s unsolved murder that will send shock waves through her troubled family.
From the producers of The Fall, this gritty crime series blends poignant family drama with satisfying murder mystery. Also starring Jack Parry-Jones (Our Girl), Nia Roberts (Hidden), and Gwyneth Keyworth (Black Mirror).