Unforgotten Season 1 Episodes
Season 1 Episode Guide
Episode 1 - Series 1, Episode 1The discovery of a skeleton in the cellar of a demolished building launches a murder hunt, headed up by DCI Cassie Stuart and DS Sunny Khan.
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Episode 4 - Episode 4The investigation into Jimmy’s death continues, with the discovery of marks on his body consistent with known gangland torture methods. Cassie and Sunny question Sir Phillip to find out exactly what his involvement was with a prominent East End crime family and Eric and Claire's anniversary party gets underway.
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Episode 5 - Episode 5Sir Phillip Cross makes a difficult decision in order to protect his family and salvage what is left of his reputation. Ray returns home to find Lizzie gone and a note that reads ‘I’m sorry’ and Father Robert comes clean to his family and the police.
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Episode 7 - Series 2, Episode 1Detectives Cassie and Sunny find themselves thrown into another historic murder case with the discovery of a body. This time it's the perfectly preserved remains of a middle-aged man found in a suitcase in the silt of a London river. As the detectives begin the complicated task of trying to identify the victim, four unconnected people go about their business - Brighton-based lawyer Colin Osborne, paediatric nurse Marion Kelsey, teacher Sara Mahmoud and respected police officer Tessa Nixon - unaware they are about to be dragged into the investigation.
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Episode 8 - Series 2, Episode 2With their victim identified, Cassie and Sunny begin to gather more information about David Walker by talking to his ex-wife, DI Tessa Nixon, who reveals he suffered from depression.
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Episode 9 - Series 2, Episode 3Sunny makes further investigations into David Walker's life that suggest he was a troubled man with a number of issues. Marion has a prickly chat with Cassie about her past and the inquiry reveals her close relationship with an IRA activist. As the police investigation encroaches on their life, Sara and Colin open up to their partners with secrets about their past.
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Episode 10 - Series 2, Episode 4Marion jeopardises her marriage by refusing to open up about the past to her husband, Colin is blackmailed even further and the secrets of Sara's past push her family to the limit.
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Episode 10 - Series 2, Episode 4Marion jeopardises her marriage by refusing to open up about the past to her husband, Colin is blackmailed even further and the secrets of Sara's past push her family to breaking point. A disturbing allegation about David opens up a second line of inquiry, and when Tessa is called in for questioning again it threatens to ruin her relationships with her husband and son.
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Episode 17 - Series 3, Episode 5Cassie and Sunny finally get closer to some truth about the night Hayley disappeared and the case takes a devastating turn for Cassie.
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Episode 20 - Series 4, Episode 2As Sunny and Cassie investigate they find that a graduating class of police officers could all be connecting to the case- some are still serving in the force.
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Episode 23 - Series 4, Episode 5Cassie 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. Unexpectedly, things take a devastating turn for Cassie.
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