Ducking and Diving (S02E05)

Robin is taken aback when he discovers that his scheme to catch the Sheriff's informant, Henry of Lewes, has gone awry due to a betrayer among his ranks. Concerned for Marian's safety within the castle walls, Robin intensifies his efforts to identify the disloyal member. With Marian's help, he learns that the spy conducts his dealings at the Trip To Jerusalem Inn, where he discreetly sells vital information to Gisborne. Robin must act quickly to unmask the traitor before it's too late.