When a man bent on vengeance is discovered in the woods near Three Pines, seemingly the victim of a group lynching, Gamache finds himself wondering whether all the villagers are capable of murder. Meanwhile, Gamache's investigation into Blue's disappearance leads to a terrible discovery that turns Gamache's world upside down.

Jack travels to Vienna to track down the source of his original intelligence on Sokol. Greer advises Alena on a key NATO deal. Petr Kovac, Alena's father, hosts a hunt in the Czech woods.

The resistance plots to take down Lovely Corp. Karen mixes up her medication, causing mayhem. Chief Crawford and Fitz struggle to move Dusty's mother.

Ian's and Poppy's clashing office preferences put them at odds. Jo and Brad team up to get rid of a pest in David's office.

The Agence Grateau team fights for their former office space; Emily is faced with a life-altering decision.

A phone falls into the yard.

Now that the King of Clubs has revealed himself in his full glory, the game finally begins. Much to Arisu's surprise, things are going pretty well.

There are just a handful of players left, and Chishiya's the only one without a partner. The next round may very well be the last of the game.

Charlie and Allie trek through the jungle to uncover Guillermo's secret. Margot learns Richard's true intentions at Casa Roja.

Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.

The mission with Max takes a dangerous turn as complications arise, bullets fly - and Owen's personal and professional lives collide.

Prince and Bambi negotiate the hard way, crossing a line. Violetta probes the government's possible involvement.

Gamache and his team unearth a tragic story that provides the key to the victim's desire for vengeance, and by doing so leads the team to his murderers. Meanwhile, it falls to Gamache to apprehend the individual responsible for Blue Two-Rivers' disappearance, putting himself in grave danger as he does so.

As the Richards gear up for the biggest event of the year, news of the embezzlement comes as a blow. Gus receives some awaited information. Andre uncovers a fact that will have big ramifications for Nina.