While investigating a mysterious homicide in Tokyo, Japan, detective Aki Suzumiya discovers disturbing similarities to recent murders in Tampere, Finland. Drawn to the frozen North, she joins forces with Finnish detective Jon Laine – and together they realize they’re chasing a cunning serial killer…
For Aki the case is more than professional: a personal motive drives her pursuit. Investigation spans both Finland and Japan as the police race against the clock trying to prevent a hidden endgame – one far larger and far more personal than either could have imagined.