It's a wild Christmas Day on the rugged Northern Irish coast. But there's no time for turkey and pud with the family for Detectives Asha Harvey and Aaron Birch. They get a tip-off about smugglers coming into a boatyard in Bangor. They expect to find drugs. But the evidence points to something far, far worse. When one of the couriers is found murdered in his hotel room, they realize they are facing in a deadly storm of corruption and criminal depravity.