Ben's plan to kidnap Benedict Arnold conflicts with Abe's plan to kill Simcoe; changing loyalties turn enemies into allies.

The fate of the Culper Ring is revealed; the American War of Independence comes to an end; a settling of accounts between shadows and spies; America struggles to begin.

Benedict Arnold rounds up spies in New York. Abe plots to destroy essential British supplies, but he will need his father's help.

When one of the Culper Ring members is captured, Arnold seeks to interrogate him - with the help of a ruthless Colonel Simcoe.

Seeking revenge against Simcoe, Abe travels to New York and meets Benedict Arnold. A visitor from Anna's past comes to the continental camp.

To prevent Anna being blamed for the murder of a Royal Officer, Abe must find the culprit; Ben and Caleb interrogate Simcoe.

Abe and Richard grapple with orders to dig up gravestones; Ben and Caleb try to get their intelligence to General Washington.

Abe's scheme to rescue Caleb turns deadly. Anna faces a difficult decision. Arnold suspects Peggy is keeping a secret from him.

Amidst a growing rebellion in camp, the Culper Ring must chart a new course. Arnold finds an unlikely ally. Rivington teaches Townsend a lesson.

The plot to kidnap Benedict Arnold is hatched; Peggy learns Cicero's secret; Washington and the French clash over strategy.

Abe and Simcoe settle their score; Ben appeals to Gen. Washington; Townsend risks everything while Caleb seeks redemption.

During the early years of the Revolutionary War, a Long Island farmer is recruited to spy on the British army.

On the run from the British, Ben is betrayed by his own militia. Abe travels with Richard to New York to spy. Mary confronts Anna.

Celeb and Ben follow mysterious orders; Washington's army crosses into enemy territory.

Anna looks for enemy intelligence at an exclusive gentleman's party against Abe's wishes.

Simcoe tries to hunt out the rebel conspirators in Setauket. Ben is sent away on a secret mission.

Abe heads to New York and runs into a desperate patriot along the way. Ben is tasked with creating America's first spy ring.

An old threatening presence returns to Setauket, worrying Abe that Anna is no longer protected.

In the third-season premiere, Abe covers up a murder with an unlikely accomplice. Elsewhere, Benedict Arnold abuses his power as he settles into a new home in Philadelphia.

Ben sets a trap to capture a traitor in camp. Richard discovers Abe is conspiring with Major Hewlett. Caleb collides with Robert Rogers.

Anna, Ben, and Caleb devise ways of rescuing the abducted Major Hewlett. Mary attempts to motivate Judge Woodhull into action.

Washington heads south to lay siege on Yorktown; Abe volunteers for the Continental Army; Peggy goes into labor.

A spy in London sends an urgent message to America. Mary impedes Abe's attempt to restart the spy ring. Benedict Arnold arrives in camp.

George Washington teeters on the edge of madness. Abe and Hewlett endure great hardships at the hands of their respective captors, though the latter's ends unexpectedly.

Peggy gets Benedict Arnold to contact the British. Caleb plans an ambush for Simcoe. Anna tries to save Major Hewlett.