Unforgotten (2015)

Episode Overview

Detectives Cassie and Sunny come together once more to investigate a chilling discovery: a body encased in a suitcase found in the River Lea. As they delve into the challenging process of identifying the deceased, they uncover the intertwining narratives of four individuals connected to the victim. The investigation leads them to the victim's wife and son, who have lived without answers regarding his disappearance for 26 long years. The detectives must unravel the mystery of who wished harm upon him and the motives behind it.