The Sheriff sleepwalks into Sherwood Forest as Prince John's messenger arrives to check all is well. Finding him absent, the messenger summons Prince John's army to raze Nottingham to the ground at sunset.Desperate times compel Gisborne to rely on Robin's tracking skills to find the Sheriff, but Robin realises the Sheriff has stumbled onto an opportunity to regain the Pact of Nottingham. Gisborne risks his life standing by Marian as they fight to save the people of Nottingham.

When Robin and the Outlaws arrive for Robin's birthday they are surrounded by the Sheriff's mercenaries, while traitor, Allan a Dale, realises that the Sheriff and Gisborne are heading to the Holy Land to kill the King. Fearless Marian takes it upon herself to stop the Sheriff in his tracks whilst Allan must choose his allegiance. Will Robin realise that the mercenaries are merely there to distract him from the Sheriff's new dastardly plan and will Allan come to his senses?