A darkly addictive, fast-paced thriller about a hidden secret, a missing person and a string of unsolved murders, by a rising star of crime fiction.

Rejected by her family and plagued by insomnia, Rose Shaw is on the brink . But one dark evening she collides with a man running through the streets, who quickly vanishes. The only sign he ever existed - a journal dropped at Rose's feet.

Catapulted into a dark world of fear and obsession, she begins to dedicate her sleepless nights to discovering what happened to Finn Matthews, the mysterious author of the journal. Why was he convinced someone wanted to kill him? And why, in the midst of a string of murders, won't the police investigate his disappearance? Rose is determined to uncover the truth. But she has no idea what the truth will cost her...