The spine-chilling serial killer thriller featuring Carson Ryder – the homicide detective with a hidden secret that could destroy his career

These brothers have murder in their veins. Detective Carson Ryder's sworn duty is to track killers down. He's never revealed the fact that his brother, Jeremy, is one of America's most notorious killers – now imprisoned. Secretly, Ryder has used Jeremy's homicidal insight to solve cases. He's made a career out of it. Now his brother's escaped and is at large in New York.

With Jeremy the chief suspect in a series of horrifying mutilation-murders, a mysterious video demands Ryder be brought into help. It looks like a straightforward manhunt. It couldn't be more different – or more terrifying. A dangerous cat-and-mouse game develops between Jeremy and the NYPD, with Ryder in the middle, trying to keep his brother alive and the cops in the dark. But it's a game of life, death and deceit, a game with an unknown number of players and no clear way of winning…