Malin Mases Arvidsson (Kerstin Holm)Natalie Minnevik (Ida Jankowicz)Shanti Roney (Paul Hjelm)Alexander Salzberger (Jorge Chavez)Magnus Samuelsson (Gunnar Nyberg)Vera Vitali (Sara Svenhagen)Niklas Åkerfelt (Arto Söderstedt)Pascal Andersson (Anders Holm)Claes Hartelius (Brynolf Svenhagen)Kenneth Milldoff (Frank Albrekt)Vanna Rosenberg (Lotta Björk)Caisa Ankarsparre (Ebba)Josefin Asplund (Molly)Astrid Assefa (Annie Brandt)Jonas Bane (Fillip Faber)Ellen Bergström (Alva)Yngve Dahlberg (Ivan Vucovic)Eva Dahlman (Doctor)
The explosion is powerful and the devastation enormous when a subway train explodes in Stockholm's tunnel system on a November night. The country is in shock. A group calling themselves "The Holy Riders of Siffin" claim responsibility for the attack in an anonymous call that the A Unit manages to trace. They think they are close to an arrest. What they don't know is that this is just the beginning of a hunt framed by political extremism, hate and death.