The captured spies on both sides of the war head to the gallows. Benedict Arnold demands glory revenge.

Benedict Arnold plots to give West Point to the British. Andre negotiates for Peggy. Abe plots a revolt in Setauket.

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.

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

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

Mary attempts to kill Simcoe by herself. Benedict Arnold defends himself in his court-martial. Ben reunites with his savior.

Mary struggles when she realizes that Abe is a spy working for the other side. Ben and Caleb hope to save Patriot families when they carry out a raid on Setauket.

Washington goes to Benedict Arnold's Philadelphia ball. Abe tries to stop Rogers from reaching Townsend. Old friends and enemies collide.

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

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

Anna tries to save the ring after Abe's cover is blown. Benedict Arnold seeks Washington's help against charges of treason. Townsend sends a signal.

Townsend uncovers a British counterfeiting operation. Rogers threatens to destroy Abe's spying ring. Simcoe threatens Richard.

The Culper Ring is resurrected in time to save Washington's army. Simcoe terrorizes Setauket as he hunts for Rogers. Anna infiltrates New York.

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

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

Ben is rescued by a mysterious woman. Abe tries to stop Anna from marrying Hewlett. Arnold begins negotiations with the British. Andre betrays Peggy.

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

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

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

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.

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

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.