In a small, close-knit Irish village, Finbar Lynch, a retired assassin seeking redemption, finds solace in the quiet life of a fisherman. The tranquility of his days is disrupted when he encounters Aidan, a young man involved with a local gang that threatens the village's peace. As Finbar is drawn back into a world of violence and suspicion, he distances himself from the villagers who once offered him a new beginning. However, the arrival of a determined detective named Kate O’Neill intensifies the village's tension. Kate seeks to solve a recent string of murders connected to a troubled past, suspecting that Finbar's history may hold the key to her case.

As Kate digs deeper into Finbar's murky past, she uncovers his buried secrets, which complicates their budding trust and forces him into a moral predicament. The simmering conflict leads to a series of confrontations with the gang, where alliances are tested and sacrifices are made. Eventually, Finbar must decide how far he is willing to go to protect those he cares about, and whether redemption is truly within reach for someone with his past. As tensions reach a breaking point, the bonds of community, loyalty, and forgiveness are examined, setting the stage for unforeseen twists and revelations.