The Culper Ring is in tatters in the wake of Richard Woodhull's death: Abe wants to bury his spying with his father; Caleb is a broken man; and Robert Townsend's wilted under the unwavering eye of Simcoe and Benedict Arnold.

But, when Caleb reveals that it was Simcoe that ordered the massacre at the hostage exchange, Abe decides to do whatever it takes to get revenge.

Watch Episode 4, "Nightmare," Now

Meanwhile, dissenting officers in the Continental camp stage a mutiny -- and when Washington seizes the leaders of the uprising, he sends a brutal message that shocks everyone in camp.

Watch the latest episode now on amc.com and AMC apps for mobile, Fire TV, XBox One, Apple TV, Roku and Chromecast.

TURN: Washington's Spies airs Saturdays at 9/8c.

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