Unforgotten - Season 2

The new series starts with the discovery of body found in a sealed suitcase in the silt of the River Lea. With the body preserved but clearly having been there a number of years, detectives DCI Cassie Stuart and DS Sunny Khan begin the complicated task of identifying the victim and investigating his murder. Through their inquiries, the body is revealed as middle-aged man David Walker who disappeared in 1990 leaving behind a wife and young son who is now in his early 30s. With four seemingly un-connected suspects emerging, the team are tasked with finding out who wanted David Walker dead and why? (Independent Television)