Wayne Foskett

Tyrion seeks a strange ally; Bran learns a great deal; Brienne goes on a mission; Arya gets a chance to prove herself.

Merlin is drawn to a distant village when a mysterious disease strikes.

The team are forced to enlist the help of a psychotic killer, who has been jailed for the abduction and murder of five women.

Nikki and Jack close the net on Brian Blackburn's troubled son for murdering his co-worker at the eco-housing project.

Boyd and the team continue to rely on the serial killer they've enlisted to help them on the case, while also trying to protect Dr Delaney.