The Christies are reunited after a nine year separation and move into 10 Rillington Place. As war breaks out the fractures in their relationship begin to reappear.

When newly-weds Tim and Beryl move into 10 Rillington Place they are befriended by their older neighbours the Christies.

[Season Finale] After the strain of Timothy Evans' trial, Christie finds it increasingly difficult to maintain the charade and as his marriage breaks down, he embarks upon a fateful course of action.