The clinic's secrecy falls into jeopardy when Daniel puts Beth's ex-colleague Anna in an impossible position.

Cast: Chloe Pirrie, Carice van Houten, Mark Strong, Daniel Mays, Hiten Patel, Marion Bailey, Lily Newmark, Jordan Long, Afsaneh Dehrouyeh, Tobi King Bakare, Ryan McKen, Matt Nalton, Naomi Cooper-Davis, Siena Kelly