What makes life perfect? Insurance mathematician Henri Koskinen knows the answer because he calculates everything down to the last decimal. And then Henri is faced with the incalculable. After suddenly losing his job Henri inherits an adventure park from his brother - its troubling financial problems included. The worst of these issues appear to originate from big loans taken from criminal quarters...and dangerous men are keen to get their money back. But what Henri really can't compute is love. He meets Laura an artist with a joie de vivre and erratic lifestyle that bewilders him. As the criminals go to lengths to collect their debts Henri finds himself in situations that cannot be pinned down on his spreadsheets…