With five new thrilling, diverse and contemporary stories. Nikki, Thomas, Jack and Clarissa unite once more as the Lyell team face some deadly new enemies.
After The Fall: In episode one, Nikki arrives at a murder scene to find it's a carbon copy of a case in her past. She soon fears the killings are personal to her. But who will believe her and who can she trust?
Flight: A mysterious young girl returns to the UK. She is initially suspected of drug smuggling, but when a well-known anti-fundamentalist is murdered, something much more sinister is feared.
Life Licence: When an ex-convict is found brutally murdered in his home, the Lyell team investigate a fragile community of rehabilitated offenders.
Plain Sight: A teenager is mistakenly shot dead by the firearms unit. As Jack grows closer to the family of the murdered teenager, his objectivity is called into question. Nikki warns him to follow the evidence, but he unknowingly enters London's small but devastating gun trade.
River's Edge: The Lyell team investigate the clinical shooting of a family picnicking by the River Malt. Jack and Nikki are left in mortal danger when they uncover a high-powered world of sex and depravity.
Executive produced by Anne Pivcevic and produced by Madonna Baptiste, Silent Witness continues to tackle topical storylines. Emilia Fox, David Caves, Richard Lintern and Liz Carr return as the dynamic Lyell team unit.