A celebrated public figure dies of an apparent heart attack.

The post-mortem is flawless.

The evidence is nonexistent.

But Detective Constable Sid Thorpe knows one thing with absolute certainty.

It was murder.

When a second body is found with a sheet of centuries-old parchment hidden inside its mouth, the investigation takes a chilling turn. The list written on the parchment contains the names of powerful people... and Thorpe's own.

Someone knows how he thinks.

Someone has been watching him.

As the trail leads to a forgotten investigation buried deep within Scotland Yard, Thorpe uncovers a truth that has remained hidden for decades-one capable of destroying lives long after the crime itself.

Some investigations solve murders.

Others uncover the cost of surviving them.

A gripping British crime thriller about justice, memory and redemption, introducing Detective Constable Sid Thorpe.