London, 1888. After Satanist Edward Sinistrari is condemned to hang for ritual murder of four girls, he escapes from the gallows at Newgate Prison, leaving a bloody trail in his wake.

DCI Charles Collingwood is assigned to track Sinistrari down. But just as he is closing in on his quarry, Jack The Ripper begins his murderous rampage.

In a London awash with blood, Collingwood is about to discover the full force of Sinistrari's diabolic powers and vengeance. But who is he, and can he be stopped?