RANGERS OF THE LOST RING
The adventurous duo Pertsa and Kilu has two mysteries to solve. One is the origin of a piece of a treasure map that arrived in a bottle to the port of Kotka, the other one the location of prison escapee Annabella Pehko. Aspiring journalist Pirkko and twins Vappu and Kerttu join in to help. When the kids get hold of an airplane, action ensues. They end up abroad and eventually both mysteries become entwined.