Make is 11 but wants to be a teen or better yet, an adult - anything but a child. Instead he's forced to look after his little brother Konsta.
In the middle of the summer holidays, the body of a drowned man with ligature marks on his wrists is recovered from Tammerkoski river. The investigation by Koskinen's team is further strained by the hit-and-run case of a dubious music manager and the mysterious Carl Friedrich. When a new body is found in Lake Näsijärvi, the connection between the victims is made clear.
The father and mother flee to Lapland to prepare for Christmas, but peace is at a standstill when the children tag along. When Jussi's new girlfriend Viktoria is revealed to be the millionaire's only child, the father does everything he can to make the best possible impression on the family's new daughter-in-law. As one surprise follow after another, the father must put all his “expertise” into play.
