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.

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

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.

The French join the fray. Caleb makes an uncomfortable trip and Abe makes an even more uncomfortable choice. Robert Rodgers finds himself unexpectedly unemployed.

Abe returns from prison with critical intel. Tensions rise between Hewlett and Simcoe. Arnold rescues Peggy from a rebel mob.

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.

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

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.

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

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.

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

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

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.

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.

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.

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