With new allies and old enemies, Robin Hood returns for a third series full of thrilling adventures, as Robin and his gang continue to outwit the dastardly sheriff and his forces. As the series begins, the outlaws are in disarray. Marian is dead and a grief-stricken Robin has split up the gang to launch a solo mission to avenge her and kill Gisborne. Will Robin Hood be able to overcome his loss and rally once more against the tyrannical reign of the Sheriff, Gisborne and Prince John?
When Robin returns from the Holy Land to avenge Marian's murder an epic battle rages between him and Gisborne, with both determined to fight to the death. Tuck arrives in Nottingham searching for Robin Hood, believing he's the only man who can unite the people of England and destroy the tyrannical reign of the Sheriff, Gisborne and Prince John.
The Sheriff sells the local village men to Irish warriors who need new army recruits, but when Robin is captured himself, can he escape execution in time to save the conscripts? Kate, a village girl from Locksley, tries to help the outlaws and rescue her brother, but her heroics have devastating consequences.
The Sheriff turns the heat up on Robin and his gang by forcing the Abbot to accuse them of stealing from the church. Tuck's attempt to clear Robin's name ends with him being captured and tied to the rack. Will the gang free Tuck in time, while escaping execution themselves?
Ruthless Rufus is in town, intent on revenge. When he kidnaps Allan and Kate, Robin retaliates by snatching his son. Robin and the gang face a race against time as they try to find Rufus' hiding place. Will they succeed, or is this the end of the road for Allan and Kate?
Gisborne is back, and he is not alone; by his side are Prince John's Elite Guards and a mysterious weapon. This time, he is determined to catch Hood. As the gang run for their lives, Little John gets separated and ends up in a Gladiator circus. And who is the damsel in distress Robin saves?
Prince John pays a long-awaited visit to Nottingham, and he is out to make mischief. With Gisborne and the Sheriff assigned a royal mission, it surely spells the end for one of them. Meanwhile, Robin is up to mischief of his own, but who is the lucky woman?
A heat wave hits Nottinghamshire and, when Prince John blocks all the local wells, the outlaws are forced to take desperate measures to save those at risk. Prince John discovers Robin and Isabella's secret relationship, and orders Gisborne to dispose of them, telling him that if he completes the task he will be made the new Sheriff. Isabella proposes a life away from Nottinghamshire, and Robin has to make a difficult choice about his future.
Isabella will go to any lengths to prove her loyalty to the Prince, and to win the Sheriff's job for herself. Meanwhile, suspicious news arrives from the Holy Land that King Richard is dead, and Robin squares up against his former mentor, Lord Sheridan, in an attempt to stop Prince John's hasty coronation.
Gisborne awaits his execution in a Nottingham dungeon, and meets a fellow prisoner who has a profound effect upon him. Robin thinks he can strike a deal with Sheriff Isabella, but his plans are thwarted when an unexpected stranger from her past arrives, looking for revenge.
It's a step back in time as a mysterious figure forces Robin and Gisborne to hear the story of their past. The truth about their parents is exposed and a huge revelation rocks them both to the core. As the strange figure shows his face, Robin and Gisborne know their lives will never be the same again.
The gang is shocked when Robin announces that Gisborne is joining their fight against Isabella, but can their uneasy truce survive? Robin and Gisborne then travel to York to save their half-brother Archer from execution, and find that he has made a formidable enemy in the Sheriff of York.
The battle begins as Isabella rounds up men to send to Prince John, and the gang does everything they can to stop her. Archer joins forces with his sister, and sends a trap to snare Robin and Gisborne. But who is really pulling the strings behind the evil that is coming to Nottingham?
War breaks out in Nottingham as the Sheriff attacks with everything he has. Robin and the gang fight to defend the castle, but are forced to retreat. Finally it comes down to the feared few: Robin, Gisborne, Isabella and the Sheriff. Who, if anyone, will survive the bloodiest of battles?