A jellyfish-like alien object hovers over Stockholm and chaos erupts. Biologist Zandra Kraft links the phenomenon to a mysterious fungus. Meanwhile, Prime Minister Moa Halmgren and crisis expert Elias Charbel try to understand the situation.

Zandra and Elias follow the creature into the forest where it has dropped something on the ground – an egg-like object. Moa deals with a growing crisis while Zandra finds a strange creature that she takes home. Elias reveals his secret.