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.

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

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

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

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

Abe plots to assassinate Major Hewlett, then receives a proposition from an unlikely ally. Ben fights at the Battle of Monmouth (June 28, 1778). Benedict Arnold continues to covet Peggy Shippen.

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

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.

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

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.

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

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

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.

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

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.

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

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.

Abe gathers intelligence in New York. Simcoe escapes his punishment. John André attends a ball in Philadelphia and meets Peggy Shippen.

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

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

Abe tries to recruit a new agent; Caleb and Rogers race to hunt down intelligence from London; Andre's history is exposed.

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