Silent Witness season 28 episode 3, the first in a two-part story, sees Nikki (Emilia Fox) and Jack (David Caves) investigate a horrific hammer murder that links to a cold case.
We meet Claire, who's on a train possibly facing bad news. She pulls into a London train station and is coughing, she uses her inhaler. She has a bad memory and looks very distressed. Meanwhile, a car pulls up at a housing estate. An estate agent lets himself into a property. He hears a noise and calls upstairs, but there's no reply. He hears another noise and heads into the garden. He takes a phone call from his daughter and has a smoke. He notices someone at the top window. He goes back inside and climbs the stairs. He's then hit over the head by a claw hammer. The attacker then goes to strike him again… and the theme tune begins.
