The Viking children Røskva and Tjalfe embark on an adventurous journey from Midgard to Valhalla with the gods Thor and Loki. Life in Valhalla, however, turns out to be threatened…

The story is based on the real events of 1985. The team of a Russian polar icebreaker “Mikhail Gromov” discovered a giant iceberg. The ship came into collision while attempting…