A group of privileged students spend a night patrolling the prestigious Dhoultham school. However, it soon turns into the worst night of their lives as they face off against burglars, supernatural spirits and a deeper, darker evil.

In the aftermath of a major bio-weapons attack in London, DR AMY TENANT and a former colleague DR. REES WAKEFIELD find themselves in a locked-down laboratory debating whether to save the life of suspected terrorist, CLARE MAHEK. As spies breach the perimeter to silence the suspect, our scientists find themselves trapped inside the impenetrable labyrinth of The Complex.