25-year-old Karri is stuck with his life: days at a job as a guard at a shopping mall, nights out with his friends. Then Karri meets Caasha, a Somali girl about his age.
When Hafiz`s mother is kidnapped, the only thing that can help him save her is a RM100 note that his late father left him - which contains clues that can lead him to find the ransom that the kidnapper demands.
The story of DI Kari Sorjonen of the Serious Crime Unit in Lappeenranta, his family, and his investigations into a variety of harrowing homicides around the border area.