When a landscape historian unearths a hidden photograph of his dead wife, he sees his past in an entirely new light (1/10).
A sister remembers (2/10).
Glyn reveals the uncomfortable truth to Elaine (3/10).
Oliver remembers (4/10).
A confrontation and an ultimatum (5/10).
Driven to uncover the extent of Kath's treachery, Glyn sets out to probe his dead wife's history (6/10).
Despite decisive action, Kath is becoming more of a presence in Elaine's life (7/10).
Memories of Kath haunt those who thought they understood her (8/10).
A fateful day is remembered (9/10).