Silent Witness

Nikki and Jack investigate a murder bearing all the hallmarks of a notorious serial killer.

Nikki performs a post-mortem, and confirms the body is the deceased wife of Charles Beck.

The team works on a suspected suicide, but the investigation raises more questions than it answers.

The team solve the mystery of a man discovered dead in the Thames; the life of a frustrated criminology professor unravels.

The team investigate the body of a woman found in a flat after being dead for a year; as they attempt to find the truth of her identity, and what happened to her, they must draw on all their forensic and pathology knowledge to solve the case.

Nikki and Jack work to uncover the truth surrounding a death, and consider if it's linked to their original body; DI Torres searches for a stalker; Cara is shocked at Velvy's living conditions.

The team investigates the death of a Burmese man on a deserted beach, whose young pregnant wife desperately hopes is still alive; Nikki and Jack piece together the perplexing crime scene and find it poses more questions than answers.

The Lyell is compromised in an unexpected way as they strive to find out who the man on the beach was and why he was killed; in a dark and chilling case, they must unite to discover the truth and, above all, trust no one.

The Lyell are called to King's Cross Station Museum, where they discover the bodies of eight victims entombed below; with the knowledge that a serial killer was operating in London nearly 20 years ago, Nikki and the team know they will be busy.

Nikki continues to try to identify the last of the remaining bodies, in an effort to uncover any connections and find a motive; Jack and the police begin to look into several two-decade-old missing-persons cases.