Silent Witness

Identity, Part One. When a people smuggler dies, Nikki encounters a desperate Syrian teenager. Contains some upsetting scenes.

Identity, Part Two. A horrific discovery pits Nikki and Jack against a killer preying on illegal immigrants. Contains upsetting scenes.

Discovery, Part One. Nikki and Jack are at the centre of a media storm when a young schoolteacher disappears. Contains some upsetting scenes.

Discovery, Part Two. Having discovered a link between their cases, the team stumbles on a 20-year-old clue. Adult themes.

Remembrance, Part One. A body found in the Thames leads Nikki and Jack to a riverside community scarred by grief. Contains some sexual content.

Remembrance, Part Two. Nikki is blamed for leaking police information, while suspect Aaron goes to ground. Contains some upsetting scenes.

Covenant, Part One. Clarissa's husband Max is brought to the Lyell Centre to help crack a case. Contains some upsetting scenes.

Covenant, Part Two. Nikki connects with a traumatised Becky, while Jack and Clarissa head to Max's lab. Contains upsetting scenes.

Awakening, Part One. Nikki travels to Mexico following the violent death of her friend in a carjacking. Contains upsetting scenes.

Awakening, Part Two. With Nikki locked in a struggle for survival, Jack faces the biggest choice of his life. Contains upsetting scenes.