Silent Witness: Covenant, Part One

Part one of two. Father and son Bill and Frankie McAteer are killed in an apparent car accident on their way home from work at Billingsgate Market, but Nikki and Jack arrive to discover the younger man's body is riddled with bullets. Back at the Lyell centre, Clarissa summons her husband Max, a digital forensics expert, to help crack the case - and he uncovers disturbing video evidence showing a sexual encounter between Frankie, his girlfriend Becky and best friend Liam. Crime drama, starring Emilia Fox