Netflix offers a first teaser trailer for an upcoming post-apocalyptic thriller, titled The Rain.

The Scandinavian series follows two young siblings who embark on a perilous search for safety after a deadly virus wipes out most of the world’s population.

The two emerge from a nuclear bunker and join forces with a small guerilla group of other survivors, who seek out safety in a Scandinavia.

The Rain premieres on Netflix sometime this spring.