Is The Rain coming back?

Ten years after a brutal virus has wiped out most of the population in Scandinavia, two young siblings embark on a search for safety. Only guided by their father's notebook about the virus and the hazards of this new world, they start a dangerous journey through the country joining a group of other young survivors. Facing grave perils, the group must quickly realize that the greatest danger does not come from the outside - it comes from within.