Unforgotten - Season 4

The fourth season opens with the discovery of a dismembered body in a scrap metal yard, which the team believe has been stored in a domestic freezer for thirty years. A unique Millwall Football Club tattoo leads to the victim being identified as Matthew Walsh, a young man in his mid-twenties who went missing in March 1990.

6 Episodes

Episode 1

Season 4 - Episode 1

A dismembered body is found in a scrapyard and the team believes the remains had been stored in a domestic freezer for 30 years. Meanwhile, ...

Episode 2

Season 4 - Episode 2

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

Episode 3

Season 4 - Episode 3

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

Episode 4

Season 4 - Episode 4

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

Episode 5

Season 4 - Episode 5

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 f...

Episode 6

Season 4 - Episode 6

Despite a tragic turn of events, Sunny and the team narrow down the suspects.