The Best Episodes Written By John Henry Butterworth

Promised total transformation, nine very different people arrive at Tranquillum House, a secluded retreat run by the mysterious wellness guru Masha.

Director: Jonathan Levine

Writer: John-Henry Butterworth

Henry sends Owen to Minsk in a hunt for clues. Martian sets a rat trap.

Director: Zetna Fuentes

Writer: John-Henry Butterworth

Martian buys time with a bluff to Langley. Danny crosses the Rubicon.

Director: Neil Burger

Writer: John-Henry Butterworth

Martian finds a needle in a haystack and confronts Sami about London.

Director: Philip Martin

Writer: John-Henry Butterworth

Henry and Martian run diplomatic interference. Danny walks a tightrope.

Director: Philip Martin

Writer: John-Henry Butterworth

Martian scrambles to unravel Cossack's game. Osman plays his hand.

Director: Zetna Fuentes

Writer: John-Henry Butterworth

Bosko is briefed on Valhalla. Martian, Henry and Naomi strategize a play.

Director: Grant Heslov

Writer: John-Henry Butterworth

Martian's approach doesn't go to plan. Sami makes a startling confession.

Director: Grant Heslov

Writer: John-Henry Butterworth

As the guests learn more about Tranquillum's unique protocols, everyone must decide if they will continue under Masha's care. Meanwhile, Masha is receiving mysterious threats of her own.

Director: Jonathan Levine

Writer: John-Henry Butterworth

A spooked source threatens to put an operation at risk.

Director: Joe Wright

Writer: John-Henry Butterworth

Bosko shares a grim truth. Martian makes a devil's bargain.

Director: Neil Burger

Writer: John-Henry Butterworth

As healing begins, the guests begin to doubt the retreat's unconventional methods. They came for massages and relaxation, not to face their own mortality.

Director: Jonathan Levine

Writer: John-Henry Butterworth

Covert CIA agent Martian is called back to London Station.

Director: Joe Wright

Writer: John-Henry Butterworth