The father of a Finnish family brings home a cute puppy, Stormheart. No one in the family knows anything about the dog. Little by little, the mystery of Stormheart unravels and the dog's new owners learn more about him. They find out that Stormheart's parents had served as guard dogs at the Berlin...
During the final years of the World War II, Finnish sergeant Myllykoski and his fellow soldiers are forced to join the notorious Waffen-SS on a mission to find a mythical medieval chalice in the Soviet Union.
