Rob launches a daring rescue of his uncle and Saxon elders, only to walk into the Sheriff's trap; the death of an outlaw fuels Rob's rage; in Westminster, Marian's growing bond with Prince John makes her mission for Eleanor increasingly dangerous.

As Guy of Gisborne embarks to kill Rob, the Sheriff plots against him to draw the King to England; Rob prepares to attack; Marian infiltrates her father's home for intel; the outlaws lead missions crucial to victory; all must succeed, or all die.