Tellus, a Finnish environmental group led by Eevi Forsman, use increasingly radical means to "save the earth". They are pursued by Taneli Lokka, an experienced police detective, who tries to save the earth in his own personal way.
A veteran beat cop and teenage girl fall to their deaths from a tower block in south-east London, leaving a five-year-old boy and rookie police officer Lizzie Griffiths on the roof, only for them to go missing. Detective Sergeant Sarah Collins is drafted in to investigate, working to find Lizzie before she comes to serious harm, but also to uncover the truth behind the grisly tower block deaths.
Karl Alberg moves to a quiet coastal town to soothe a psyche that has been battered by big-city police work but finds himself needing to call upon all his skills to solve the murders that continue to wash up on his shore.