When a headless body is found on a scrap heap the team identify the victim: Matthew Walsh. Cassie wants to retire but to get her full pension she is forced to return to work.

Episode 1 of 6

Drama

Crime

Gripping crime drama series. Starring Nicola Walker and Sanjeev Bhaskar. The programme follows two London detectives DCI Cassie Stuart and DI Sunny Khan, as they work to solve cases involving disappearances and murders.

Unforgotten

Series 4

Gripping crime drama series. Starring Nicola Walker and Sanjeev Bhaskar.

Cassie and Sunny identify four suspects who trained as police probationers together; two of them are still serving police officers.

Episode 2 of 6

Cassie and Sunny interview each of the four suspects, who all deny knowing the victim. Bouting discovers Walsh was cautioned three weeks before his death.

Episode 3 of 6

Cassie and Sunny discover Walsh was chased by all four suspects on the night in question. Willets realizes Fiona's blood sample may have been deliberately lost by Liz.

Episode 4 of 6

Cassie and Sunny interview two of the suspects again and get closer to the truth of what happened to Walsh. Balcombe believes she may have found the cause of death.

Episode 5 of 6

Despite a tragic turn of events, Sunny and the team narrow down the suspects. Will they find conclusive proof of who the murder weapon belonged to?

Unforgotten

Episode 1 of 6

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