The assassination of a lobbyist is just the prelude to a cold-blooded series of murders - Susanne Bonard and Robert Karow realize this when a leading PR consultant is shot dead right in front of Karow's eyes just a few hours later. Bonard and Karow investigate in Berlin's political arena, in worlds that remain closed even to them. The clues lead to a parliamentary committee of inquiry, but also to a human rights activist.