What do you do when your home becomes a living nightmare?

Your house should be the safest place in the world. But imagine you rent out a room, and the unthinkable happens...someone is murdered in it.

This is the nightmare Alfie Watson is plunged into. He can't go to the police, because he knows he'll be in danger too. But he can't just do nothing.

Then Alfie receives a blackmail note - the killer is after him. And unless Alfie plays his cards right, he may not live to tell the tale...