History - Part One

The gritty crime drama set in the world of forensic pathology returns with a two-part story marking the return of Amanda Burton as the show's original lead, Professor Sam Ryan. The health secretary is assassinated during the launch of Sam's new company, prompting her to turn to the Lyell team for help. However, Nikki is unsure if her predecessor can be trusted, as she seems to know more than she's revealing. Guest starring Hugh Quarshie.

S25 Ep1 60min