The Beast Must Die

AMC | 10:00 pm

As Frances (Cush Jumbo) succeeds in becoming more deeply embedded in the home and its various routines, she makes unexpectedly swift progress with her plan and finds the weapon she will use to exact revenge in "Episode 4." Meanwhile, things heat up for DI Strangeways (Billy Howle) as he becomes ever more convinced that the case he is investigating involves foul play on someone's part. Jared Harris, Douggie McMeekin, Maeve Dermody and Geraldine James also star.