When one of the Culper Ring members is captured, Arnold seeks to interrogate him.
Abe's plan to rescue Caleb becomes deadly; Anna must make a difficult decision; Arnold believes Peggy is keeping secrets.
A mutiny erupts in camp; the Culper Ring must chart a new course; Arnold finds an unlikely ally; Rivington teaches Townsend a lesson.
Abe joins Arnold's legion in New York; Abe seeks revenge against Simcoe in New York; a visitor from Anna's past comes to the continental camp.
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.
Abe and Simcoe settle their score; Ben appeals to Gen. Washington; Townsend risks everything while Caleb seeks redemption.
Washington heads south to lay siege on Yorktown; Abe volunteers for the Continental Army; Peggy goes into labor.
The fate of the Culper Ring is revealed; the American War of Independence comes to an end; shadows and spies settle accounts; America struggles to begin.
Abe and an unlikely accomplice cover up a murder; Benedict Arnold abuses his power while settling into his new Philadelphia home.
Abe's cover is blown and Anna tries to save the ring; Benedict Arnold faces treason charges and seeks Washington's help in defense; Townsend sends a signal.
Peggy gets Benedict Arnold to contact the British; Caleb plans an ambush for Simcoe; Anna tries to save Major Hewlett.
Townsend discovers a British counterfeiting operation; Rogers threatens to ruin Abe's spying ring; Richard faces a threat from Simcoe.
Washington goes to Benedict Arnold's Philadelphia ball; Abe tries to stop Rogers from reaching Townsend; old friends and enemies collide.
Mary attempts to kill Simcoe by herself; Benedict Arnold defends himself in his court-martial; Ben reunites with his savior.
The Culper Ring resurrects with enough time to save Washington's army; Simcoe terrorizes Setauket while he hunts for Rogers; Anna infiltrates New York.
Benedict Arnold plots to give West Point to the British; Andre negotiates for Peggy; Abe plots a revolt in Setauket.
The captured spies on both sides of the war head to the gallows; Benedict Arnold demands glory revenge.
Abe gathers intelligence in New York; Simcoe escapes punishment; John Andre meets Peggy Shippen at a Philadelphia ball.
Ben sets out to catch a traitor in camp; Richard learns that Abe is conspiring with Maj. Hewlett; Caleb and Robert Rogers collide.
Abe tries to recruit a new agent; Caleb and Rogers race to hunt down intelligence from London; Andre's history is exposed.
Abe makes one last effort to recruit a spy inside New York; Ben must determine who is a double agent.
Washington faces a personal crisis with help from his slave, Billy Lee; Abe tries to maintain his cover while in prison.
Caleb sails into New York Harbor; France makes an alliance with the American Patriots; Andre and Peggy plan to elope.
Abe returns from prison with crucial information; tensions rise between Hewlett and Simcoe; Arnold rescues Peggy.
Abe plots Major Hewlett's assassination; Ben fights at the Battle of Monmouth; Benedict Arnold longs for Peggy.
America's first spy ring; in the early years of the Revolutionary War, a Long Island farmer is recruited to spy on the British army.
To prevent Anna being blamed for the murder of a Royal Officer, Abe must find the culprit; Ben and Caleb interrogate Simcoe.
Ben is betrayed by his own militia while on the run from the British; Abe and Richard travel to New York; Mary confronts Anna.
Abe and Richard grapple with orders to dig up gravestones; Ben and Caleb try to get their intelligence to General Washington.
Abe is ambushed by a desperate patriot while on the way to New York; Ben is charged with the task of creating a spy.
An old threat returns to Setauket; Abe tries to protect Anna; Rogers travels to a prison ship in search of a mysterious man.
Anna searches for intelligence at Andre's exclusive gentleman's party.
Simcoe plans to weed out rebel conspirators in Setauket through a political witch hunt; Ben is assigned to a secret mission.
Mary struggles with the knowledge that Abe is a spy for the rebels; Ben and Caleb lead a raid on Setauket.