Matthew Zajac appears in the BBC One Drama, One of Us.
A horrific double murder shocks two families living in isolated rural Scotland. In the aftermath of the tragedy, they are faced with a terrible dilemma when the murderer arrives on their doorstep one stormy night. His fate lies in their hands – will they show mercy or get their revenge
For more information and to catch up on episodes: http://www.bbc.co.uk/iplayer/episode/b07r1f0h/one-of-us-1-the-storm