A woman is murdered in front of her 2-year-old in '90s London. While his father tries to shield him from a media storm, the police identify a key suspect.

Episode 1

As DI Pedder's undercover operation develops, another murder hits the headlines. André and Alex move abroad, but their grief continues to follow them.

Episode 2

Over a decade later, old evidence is re-examined by new eyes on the case. Will André and Alex finally get justice — or is there more to the story?

Episode 3

With their 2-year-old as the sole witness to her murder, Rachel Nickell's partner fights to protect him amid a flawed investigation.

All Episodes of The Witness

Season 1

Episode 1

Season 1 Episode 1 - Aired 6/4/2026

Episode 2

Season 1 Episode 2 - Aired 6/4/2026

Episode 3

Season 1 Episode 3 - Aired 6/4/2026