Silent Witness

Episode 1 | The Penitent - Part 1

The team are propelled into the criminal underworld of a notorious mafia group, the Ndrangheta when a man is thrown from a high-rise building.

Episode 2 | The Penitent - Part 2

Nikki becomes involved with the Ndrangheta mafia-group. An unlikely alliance leads her closer to the truth, hence follows some collateral damage.

Episode 3 | Familiar Faces - Part 1

The Lyell team investigate when a lorry is found in Kent with people locked inside. However, some have survived but will not speak to police. The team and the police delve into a world of drugs and human trafficking.

Episode 4 | Familiar Faces - Part 2

The team continue to try and find out information about the lorry of bodies with a dead driver at the wheel. Shocking leads shed some light on the case. An ethical dilemma grips Gabriel and there is a surprise visit.

Episode 5 | Star: Part 1

The Lyell team are drawn into the dark side of social media when a man is found dead in a tent at a music festival. But with more twists coming and a heavily pregnant DI, can the case be solved?

Episode 6 | Star: Part 2

The investigation continues to take unpredicted turns, with Nikki managing to get behind the mask of the lead suspect.

Episode 7 | Hearts of Darkness: Part 1

Business leaders and environmental activists clash in a small town. With a sabotaged train and a dead mayor, the activists become suspects.

Episode 8 | Hearts of Darkness: Part 2

The Lyell team return to the train tunnel and uncover some difficult truths. Meanwhile the police raid the protester camp, desperate for answers. Family ties are pushed to their limits.

Episode 9 | Southbay: Part 1

Nikki and the team start to build a picture of what happened, but they don't get much out of it. Jack comes to the aid of an old friend and is sucked into a difficult case.

Episode 10 | Southbay: Part 2

The local CID finds dissent within the ranks as the evidence mounts against the accused police officer.