Unforgotten (2015)

S2E5 Episode 5

Cassie delves into the mysteries surrounding the Brentford house, exploring the possibility that some suspects endured abuse during the events held there. Her investigation uncovers revelations that help Colin confront a long-buried shame he's carried for more than two decades. Meanwhile, Sara faces her own history head-on to establish her innocence. In the midst of this turmoil, Marion continues to alienate her family, driving them further apart.