Kari Vaara is recovering from the physical and emotional toll of solving the Lisbet Söderlund case when he’s approached with a plea: an Estonian woman begs him to find her daughter, Loviise, a young woman with Down syndrome who was promised work and a better life in Finland, and has since disappeared. As Kari works this new case, a past one comes back to haunt him when powerful enemies return to settle unfinished business.

After recovering from brain surgery, Inspector Kari Vaara, who has been handpicked to run a rogue black-ops unit, gets to work. Soon the unit is cleaning house, robbing Helsinki's mobsters blind of their cash, dope and illegal firearms. But Kari's team is too good, and their actions have unintended consequences.

Still recovering from his last case and struggling with his personal life, Kari Vaara is pushed into the case of a 90-year-old national hero for war crimes committed during World War II --- which may be related to a murder-by-torture case that he’s also investigating.