Wire in the blood: The complete fourth season

Disc 1: Time to murder and create / written by Patrick Harbinson ; directed by Andy Goddard

Disc 2: Torment / written by Guy Burt ; directed by Declan O'Dwyer

Disc 3: Hole in the heart / written by Niall Leonard ; directed by A.J. Quinn

Disc 4: Wounded surgeon / written by Patrick Harbinson ; directed by Peter Hoar.