Liverpool 1 focused on Detective Constable Isobel De Pauli (Samantha Womack), a successful Metropolitan Police detective. Her partner's career move to Liverpool in turn sees De Pauli transferred there. Upon arrival she is partnered with introverted DC Mark Callaghan (Mark Womack), a no-nonsense officer brought up on th…

Deep in the woods, an archaeological expedition is on the verge of a historic discovery, when they find themselves with no defense against an unrelenting predator. Taking refuge in the catacombs of a cave hidden in the hills, tensions escalate as the team begins a descent into insanity navigating their way through wind…