In the aftermath of Plan B, Conrad twists the knife and Fisk has a realization: this is war. Maeve gives Eddie a lesson in the art of chess and Richie takes the bait. Harry goes searching for Seraphina and Brendan, who've gone rogue.

Cast: Tom Hardy, Pierce Brosnan, Paddy Considine, Joanne Froggatt, Lara Pulver, Anson Boon, Geoff Bell, Jasmine Jobson, Mandeep Dhillon, Daniel Betts, Helen Mirren