When homeless people die of anthrax in Berlin, science journalist Nina Falkenberg is alarmed. The cases are reminiscent of an event in Alaska 10 years ago, when the thawing of the permafrost released a deadly pathogen. Also in Alaska, Nina’s friend, anthrax researcher Gereon Kirchner, disappears. Nina asks her friend Tom Morell to travel there and find out what happened. Shortly after Tom’s arrival, a woman’s body turns up in an ice tunnel. Is Gereon to blame for her death? Is he even involved in the agonizing deaths of the homeless in Berlin?
While Tom and Nina try to shed light on the situation, they realize that they are fighting a much more powerful opponent than they thought …