The best episode written by Richard Davidson is "Blue Lightning - Part 1", rated 7.9/10 from 7 user votes. It was "directed by Stewart Svaasand". "Blue Lightning - Part 1" aired on 4/8/2014 and is rated 0.2 point(s) higher than their second highest rated, "Blue Lightning - Part 2".
Perez returns to his childhood home after the murder of a scientist on the beautiful island of Fair Isle. Tensions run high as a storm on the mainland forces Perez to work in isolation - and compels all of the suspects to remain together under one roof.
Director: Stewart Svaasand
Writer: Richard Davidson
Time is running out for Detective Inspector Perez as prime suspect Peter Latimer lies critically ill in hospital. Was the fire a drunken accident, or was Peter Latimer the second victim of a murderer still free on Fair Isle?
Director: Stewart Svaasand
Writer: Richard Davidson