Tanja Haikonen

Friendship, courage and ingenuity are put to the test once again as Pertsa, Kilu and Pirkko embark on an epic adventure to solve the mystery of an old map. Twin girls Vappu and Kerttu also join the flight, and the suspense is increased when the cunning criminal Annabella Pehko jumps on board as a stowaway.

The film follows Sanna, who sets out to document the countless ways there are to ruin a marriage for her doctoral thesis.