Alongside her fellow amateur sleuths, Astri had been trying to uncover what really happened to Ruby Thompson, a backpacker whose body was recently discovered in Palamós, Spain.

Astri was ready to unmask Ruby's killer. Then she vanished.

Wisting is determined to solve the case - to find justice for Ruby, and to bring Astri home unharmed.

But he soon finds himself at the heart of a dark and twisted cat-and-mouse chase, that will take him from the snowy depths of Norway to the hot Catalan hills.