When undercover detective Cormac Kelly infiltrates a ruthless gang bent on kidnapping and extortion, he is forced to break cover and shoot his way out of a hostage situation gone bad. Tearing through the dangerous streets of Belfast with a twelve-year-old boy and his seriously injured father in tow, Kelly desperately tries to evade the gang and reconnect the family with the boy's mother, football agent Lydia Gallagher. But she is in London, unaware...