Gabriel Cushing (David Curtis) and Melanie Lancley (Vicki Glover) fight demons, and they're good at it. Really good. With Gabriel's knowledge and intuition and Melanie's tenacity there's nothing they can't overcome. When Gabriel gets a mysterious call from an old friend of his father's, Dr Albert Parker, they head off to investigate, but when they arrive, Dr Parker is missing and so are several other people. Something is praying on the unsuspecting people of South Western, something unnatural. The Carnival of Sorrows has come to town...

As part of a drunken bet with her sister Felicity, happily married Alice sends an anonymous Valentine's card to her husband Sam to see if he hides it. When he does, what was a prank leads to a series of events and revelations that may put her marriage at risk, and leaves her looking for answers.