Susannah tracks Sapphire's location via her AirPods, but is shocked when she finds her old friend and colleague Kate in possession of them. Susannah soon realises Kate is involved in the conspiracy and knows where Jon has taken Sapphire. 

Starring:

Sam Heughan, Imogen King, Antonia Thomas, Joely Richardson, Sacha Dhawan, James Nesbitt, Anne-Marie Duff, Richard E. Grant, Ben Miller, Niamh Algar

Genre:

Drama, Crime