Benedict Arnold - S1.E32

According to James' theory, there are British spies that are close to General Washington, how else could you explain all the conterattacks by the british? James is on a mission to find out! In the mean time, in his west point house, Benedict Arnold is bitter about the Congress. Becasue of his bitterenss, he meets up with one of the british officers and tells them of Washington's plans, plans that if the british could get a hold of, would mean the end of liberty. What will Sarah think when she finds out her hero is a traitor?