Power is up for grabs as two warring crime families clash in a battle that threatens to topple empires. In the crossfire stands Harry Da Souza, a street-smart 'fixer' who knows too well where loyalties lie when opposing forces collide.
Cast: Tom Hardy, Pierce Brosnan, Helen Mirren, Paddy Considine, Joanne Froggatt, Lara Pulver, Anson Boon, Mandeep Dhillon, Jasmine Jobson, Alex Fine, Geoff Bell, Lisa Dwan
Kevin takes care of a problem. Tattersall delivers on a promise as Richie prepares for war. Seraphina, reading the room, agrees to a meet and greet. Maeve spills the tea. Jan gets Harry's attention. Season finale.
Bella does a runner to London. Tattersall gets Alice's tootsies tapping. Kevin confronts his past. The Harrigans sit down for a normal family dinner.
Maeve extends an olive branch and Kevin questions the wisdom of a sit down with Jaime. Tattersall offers Fisk and Mukasa a new point of entry. Harry comes to Kat for a favor as Richie, at the Sinful Monkey, contemplates a new affiliation.
In the Cotswolds, O'Hara points out the elephant in the room. Maeve pivots, testing Conrad's resolve and Alice comes to Jan for a favor. Eddie and Gina make common cause. Harry, with the clock ticking, takes extreme measures.
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.
Kevin and Harry assess scenarios in a search for insurance and an exit strategy.
Harry pays a visit to Antoine at the urging of Bella; Fisk and Mukasa trade theories.
Richie makes his move, putting the Harrigans on high alert. Conrad and Maeve lock horns over Eddie but agree on a Plan B as Kevin prepares for all-out war. Harry kills two birds with one stone and an anonymous tip leads Fisk to the cemetery.
Harry deals with the aftermath of the Harrigan family meeting as Jan wonders what's the final straw.
Harry has to make a problem vanish after a night out goes awry for the sons of two warring families.