The Beaver Theory (Teoriya Bobra)

In the final installment of the 'Rabbit Factor' trilogy, the protagonist, former insurance mathematician Henri Koskinen, who by chance became the owner of an adventure park, once again finds himself in a difficult situation.
After moving in with his beloved Laura and her school-age daughter Tuuli, his firm belief in common sense and order is put to the ultimate test...
At the same time, the criminal owner of a competing adventure park, acting without regard for the law, begins 'hostilities' against him...
Perhaps the 'beaver theory' will be the saving grace this time?