Terrar alarm in Berlin. Although the security authorities have various information about impending attacks by Islamists, but the detonation of an explosive device and the death of many people can not prevent them. The investigators focus on judge Elke Seeberg, who is quickly exposed to a hunt. Can it really be that her daughter was involved in the assassination? In search of the truth, Elke encounters connections in the constitutional authorities, which also the BKA official Heinrich Buch does not simply accept.