S1, E5: The bloodied body of a hurling star is discovered and Regan and Boyd are tasked with finding the culprit from within the world of Gaelic sports. Sporting rivalries and jealousies are laid bare as a whole community come under suspicion. Digging deeper, our detectives uncover a gambling and prostitution ring connected to the victim. Meanwhile, Boyd uses the intel on the man suspected of murdering his father to stalk him and plan his revenge. But the story takes an unexpected twist when the killer’s true identity is revealed. Boyd makes peace with his demons.