The second series will feature a brand new story from creator and writer Chris Lang who once again explores the fallout from the investigation into an historic murder case.

The story begins with the discovery of a body. This time the perfectly preserved remains of a middle aged man found in a sealed suitcase in the silt of the River Lea in northeast London. As Cassie and Sunny begin the complicated task of trying to identify the victim, we will meet four unconnected people who we suspect are linked in some way to the victim.

The dead man turns out to be David Walker who disappeared in 1990 and left behind a wife, who has since remarried, and her son who is now in his early 30s. Their story will run across six episodes and will draw upon very current themes and jeopardy.

As the investigation progresses, we're introduced to Brighton based lawyer Colin Osborne, paediatric nurse Marion Kelly, school teacher Sara Hamoud and DI Tessa Nixon, the victim's wife, a respected police officer months away from retirement.

The complex and emotional plot takes us across the country to the Cotswolds, East London, Salisbury and the South Downs. It is directed once again by Andy Wilson (Ripper Street, Endeavour, Poirot), produced by Tim Bradley (Death in Paradise, Primeval) who was also responsible for the first series of Unforgotten and executive produced by Sally Haynes (HIM, Unforgotten, Bleak House), Laura Mackie (HIM, Unforgotten, Cutting It) on behalf of Mainstreet Pictures. Creator and writer Chris Lang is also an Executive Producer.

The drama will continue to explore some of the themes of the first series, but the primary theme will be our society's relationship with evil. When exactly does a good person start becoming defined by society as a bad person, and at what point in their life does a damaged child stop being exempted for their crimes allowing us to simply label them evil.

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Unforgotten