After a brutal virus wipes out most of the population, two young siblings embark on a perilous search for safety. A Scandinavian thriller series.

In the 19th Century, huge stone fortresses protected leaders and their people against enemy canons. As weapons technology and warfare changed, countries began to build steel and concrete bunkers, to protect their troops in battle.

The first episode examines the bunkers built in Europe before and during World War II, from the Italian Franzensfeste to Churchill’s War Room. In the second episode, we go underground in the nuclear-era shelters, including the thousands built by a paranoid Romanian leader.

Climate disasters are part of everyday life for young people in 2059. Seeking shelter from a forest fire, six strangers find themselves in a disused bunker. When the ventilation system gives up the ghost, not only the heat rises, but also the tension. Food becomes scarce and the struggle for power in the group erupts.