Crack the code. Stop the sequence. Catch the killer. When homeless man Bobby Stover insists his friend’s suicide was really murder, DI Sheridan Holler is sceptical—until she uncovers a series of deaths, all of them in Liverpool, all ruled as suicides, that suddenly look like anything but. The killings span years, each one chillingly staged, the truth buried beneath an illusion of despair. This murderer is following a mysterious pattern—and there seems to be no end in sight. Sheridan and her team find themselves in a race to crack the killer’s code, but when a crucial piece of the puzzle falls into place, they realise the next five victims have already been marked. They don’t know who. They don’t know where. But they know it won’t stop here. Can they get one step ahead of a calculating killer?