Nina Frisk is a flight attendant who loves flying. She is happy above the clouds, far away from her dysfunctional family and superficial love life. But then one day Nina meets Marcus and his son William, and falls helplessly in love. For the first time ever in her life, Nina begins to long for a family of her own. But Nina soon discovers that life on earth can be just as turbulent as in the sky.

Tartuffe is a cheeky cheater and traitor who succeeds in fooling and terrorizing Orgon and his family.

When the charred remains of woman are found, Säpo, the Swedish Security Services, suspect Gunvald Larsson of being mixed up in her murder. The dead woman was wanted internationally and a member of a group of militant eco-activists carrying out attacks around the world. Gunvald sets out on his own to find the woman's murderer, with Säpo on his heels. Martin Beck is ordered to arrest Gunvald and his loyalty to his colleague is now put to the test.