Centers around 35-year-old Alexander Jaromin, who for 20 years has been living with his mother in Athens under assumed identities in the witness protection program of the Federal Criminal Police Office (BKA) after his father and sister were killed in a terrorist attack. Tormented by the unknown, Alexander begins a desperate search to uncover the truth and soon finds himself under the close watch of the Federal Intelligence Service, with his life in danger as he ends up in a race against time in which he must do whatever it takes to uncover the truth.