The eighth book in the Jack Parlabane series, from author Christopher Brookmyre.

The award-winning, million-selling author of Black Widow brings a twist-filled story of secrets and lies.

What if your deepest secret was revealed?

Sam Morpeth is growing up way too fast, left to fend for a younger sister when their mother goes to prison and watching her dreams of university evaporate. But Sam learns what it is to be truly powerless when a stranger begins to blackmail her.

Who would you turn to?

Meanwhile, reporter Jack Parlabane has finally got his career back on track, but his success has left him indebted to a volatile, criminal source. Now that debt is being called in, and it could cost him everything.

What would you be capable of?

Thrown together by a vindictive and mysterious mutual enemy, Sam and Jack are about to discover they might be each other''s only hope.

The eighth book in the Jack Parlabane series, from author Christopher Brookmyre.

The award-winning, million-selling author of Black Widow brings a twist-filled story of secrets and lies.

What if your deepest secret was revealed?

Sam Morpeth is growing up way too fast, left to fend for a younger sister when their mother goes to prison and watching her dreams of university evaporate. But Sam learns what it is to be truly powerless when a stranger begins to blackmail her.

Who would you turn to?

Meanwhile, reporter Jack Parlabane has finally got his career back on track, but his success has left him indebted to a volatile, criminal source. Now that debt is being called in, and it could cost him everything.

What would you be capable of?

Thrown together by a vindictive and mysterious mutual enemy, Sam and Jack are about to discover they might be each other''s only hope.