Former Chicago cop Cal Hooper has settled into life in a small Irish village, restoring furniture with his young friend Trey and sharing occasional nights with the fiercely independent Lena. But the reappearance of Trey's feckless father sends fissures through the fragile bonds of family that have started to form between the three of them - and brings a new threat to the town itself. So just how much will they compromise to protect - and avenge - the people they love?