But Annie seems to have been the lucky one, as a body is found nearby, freshly tattooed with three words: Sleep Baby Sleep.
It is summer and Amsterdam is full of tourists drunk or high on all that it has to offer. The drum of music from a make-shift DJ booth near the zoo is deafening, and empty frites cones and beer cans litter the streets. But the atmosphere has sinister undercurrents as a killer is at work in a city where crime pays and tensions run high.
Detective Pieter Vos knows that if he is to outwit the murderer, he will need to employ everything he has to avert a greater tragedy.