1990s, aspiring rock musician Chris Bryston falls for Oona Chang the moment he sees her. Meanwhile, research student Stephen Harker discovers a forgotten Victorian manuscript that could rescue his faltering academic career. Written by psychologist Dr Henry Villiers, it unveils the dark, decadent underbelly of Victorian London, rife with secret societies and blood-soaked Imperial intrigue.

As Stephen delves deeper into Villiers’ tale, he uncovers links to one of Victorian London’s darkest secrets. But his growing relationship with Oona draws him ever closer to Chris, and when the three finally meet, the boundaries between past and present begin to unravel…