Daniel crosses a line from which he can never return. Lee's forced to make a big decision about the clinic. But will it be too late?

Cast: Marion Bailey, Tobi King Bakare, Sam Hazeldine, Siena Kelly, Daniel Mays, Ryan McKen, Lily Newmark, Hiten Patel, Chloe Pirrie, Michael Salami, Vivienne Soan, Mark Strong, Carice van Houten