It becomes clear to the detectives that the four men have conspired to come up with a false account of what took place the night Hayley disappeared. Jake is assigned to track down Tim Finch's ex-wife to hear her version of events - and uncovers disturbing information about Chris Lowe's past. On a personal front, Sunny is offered the opportunity to rekindle his past marriage, and Cassie worries about her father's failing memory.
Nicola Walker and Sanjeev Bhaskar star as detectives investigating a 'cold' murder case of 39 years ago.
When the bones of a young man are found beneath the footings of a demolished house, an investigation begins that will unravel the lives of four people who have been waiting for this moment for nearly forty years, as they discover that the past can't, and won't, stay buried forever.
Unforgotten - Series 3, Episode 4 Synopsis and Schedule