Hall and Maloney get a break in their hunt for Jamie. Daniel faces the ultimate question - how far will he go for someone he loves?

Cast: Marion Bailey, Tobi King Bakare, Emma Carter, Gabriel Gambetta, Sam Hazeldine, Siena Kelly, Carolina Main, Daniel Mays, Ryan McKen, Lily Newmark, Hiten Patel, Chloe Pirrie, Mark Strong, Tripti Tripuraneni, Carice van Houten