Unforgotten: Series 4

A dismembered body is found in a scrapyard and the... More team believes the remains had been stored in a domestic freezer for 30 years. Meanwhile, after making the decision to retire from the police force, Cassie faces a dilemma when she learns she isn't entitled to her full pension payment unless she completes her 30 years of service.

Cassie and Sunny identify four potential suspects who trained as... More police probationers together, and two of them are still serving officers. They have no luck finding the rest of the body and decide to go public about the discovery of Walsh's remains.

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

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