At 3 a.m., a thief thwarts security and enters the British Museum's Enlightenment Hall. His goal? To steal occult artifacts and unlock the secrets of otherworldly power.

When a security guard is killed during the heist, it marks only the beginning of a sinister spree. Inspectors Vance and Shepherd are drawn into a web of black magic and secret societies. As they pursue the mastermind behind the crimes, psychic investigator Amy Baxter offers them a helping hand.

With time running out, the detectives must navigate a world where ancient mysteries collide with modern technology. Can they stop the killings before the thief's insatiable hunger for power leads to even greater horrors?