When a crime is committed and the police are at a loss, CRYPT is called in to figure out whether something paranormal is at work. Jud is their star agent. Jud has just landed his biggest case yet. People have been disappearing in mysterious circumstances while others are viciously attacked, yet there are no suspects.

'We're coming. The martyrs are awakening. Spirits are gathering. This will be our time...' In York and London, strange shapes are taking form, emerging from the shadows. And who is the man who lies in a pitch-black room, listening to a voice that seems to speak from the darkness itself? Jud Lester knows that something evil is afoot. He also knows that it can't be investigated by any normal brand of counter-intelligence... This is a case for a team of elite teenage agents who use their extra sensory perception and arsenal of high-tech gadgets to investigate crimes that the police can't solve.

A figure wearing a white mask swoops down a deserted hospital corridor towards a quarantined patient. Covered in black sores and writhing in agony the patient can't be saved by modern medicine. But then, the masked figure is not a modern doctor... Bodies are being discovered all over London, all marked with the same black sores - it seems a contagious disease is spreading across the city. But when witnesses all report seeing the same mysterious masked figure it seems there's something more sinister going on. This is a case for CRYPT: a team of elite teenage agents who use their extra sensory perception and arsenal of high-tech gadgets to investigate crimes that the police can't solve.