Robin and his men are forced to retreat after trying to defend the castle. A final battle sees everyone fighting for their lives.

The Sheriff, Gisborne and Marian are in the Holy Land. It is up to Robin to save the King's life as the battle for England is on.

In the final episode of the first series, Robin of Locksley mourns the loss of Marian. But in the final fairwells from the group a shocking discovery is made.....

Robin is determined to get hold of the Great Pact of Nottingham, written proof of the Sheriff's treason. So when lovelorn Knight John of York and his chest of silver pass by Robin and the gang, and the Knight begs the outlaws to take pity on him and save his girl, Robin formulates a plan.

In his first mission since discovering the devastating truth about operation Shah Mat, Robin launches an abortive raid on Nottingham Castle's new Strong Room.

A horrified Robin realises that his plan to capture the Sheriff's spy, Henry of Lewes, has failed because he has a traitor in his gang. Fearing for Marian's safety in the castle, Robin sets about rooting out the turncoat. His only clue is supplied by Marian: the spy's meeting place is located at the Trip To Jerusalem Inn, where the traitor outlaw sells his secrets to Gisborne.

The Sheriff's Black Knights gather at the castle to attend a feast and declare their allegiance to Prince John by signing the Great Pact of Nottingham. With the outlaws disguised as entertainers, Robin infiltrates the castle to join forces with the only man who can stop them: former Sheriff Edward's old ally and Black Knight, the Sheriff of Winchester. Winchester's territory is key to the Sheriff's Shah Mat plan that will apprehend a homecoming King Richard at the southern ports.

A mortally wounded, one-legged messenger from King Richard flees Locksley Manor pursued by Gisborne's men and ends up in the arms of Robin. In his dying breath, he tells Robin that the King needs him to return to fight in the Holy Land, and utters the word "Lardner". The Sheriff is furious that the messenger got away, especially now that he and Gisborne are also on the hunt for Lardner, having received a prediction from a fortune-telling Fool that the "ring of Lardner" spells trouble.

The King's guard Legrand arrives with a vital mission for Robin. Robin joins the quest to unravel the coded clues leading to the mysterious Thesaurus Patriae.

The gang are captured by the Sheriff's mercenaries. Allan a Dale realises that the Sheriff and Gisborne intend to kill the King.

As King Richard's birthday comes around Robin is shocked to discover a terrible secret about Sir Guy of Gisborne. Meanwhile Djaq has been captured and is being held by the Sheriff, with Robin distracted by Gisbourne’s secret can the gang complete a successful rescue without him?

When a group of boys accidentally stumbles on Gisborne's weapons testing site, all but one is taken prisoner. When the alarm's raised, Robin hatches a plan. But with Gisborne armed to the hilt in an indestructible suit of armour, a rescue attempt is more difficult than it might first appear. Robin must think fast if he's to save a boy's life and stop a vital part of the Sheriff's war machine...

The Sheriff and his sinister scientist, Joseph (pretending to be the Nightwatchman), test a poison, blaming the ill effects on the pestilence.

Returning from a visit to teach the Sheriff's bent pawnbroker a lesson, Robin and his gang encounter another gang of outlaws - just in time to save them from a beating. When their leader turns out to be Alan-A-Dale's brother, Tom, Robin must decide if he should allow the other outlaws to join his gang.

The news of King Richard's return to England reaches Robin and the gang - and it means one thing; Marian's marriage to Gisborne is looming closer. Marian attempts to steal Gisborne's money and distribute it to the villagers, Robin tries to find out more about Gisborne's crimes. But then tragedy strikes for the Nightwatchman at Locksley Manor...

Marian wakes up in Sherwood Forest on the first day of the rest of her life as an outlaw with Robin and his gang. Surprising everyone with a new energy and recklessness, however, she jeopardises the gang's mission to bring aid to Clun Village after it's ransacked by the Sheriff's men.

Robin must be patient when the Nottingham Fair comes to town bringing with it the temptation of the silver arrow competition. Before he can compete Robin must first deal with the Sheriff's latest plan of using Saracen slaves as labour in his deadly mine. Can Robin, with the help of the Nightwatchman, defeat Nottingham's plan in time for the competition?

Prince John's army is summoned to raze Nottingham to the ground at sunset. Gisborne risks his life standing by Marian as they fight to save the townsfolk from oblivion.

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.

Robin and his men battle against Isabella as she rounds up men to send to Prince John. Archer works with his sister and attempts to catch Robin and Gisborne.

When Robin and his gang encounter Flaxton, a farmer, and his son while on their way to Nottingham it doesn't take them long to discover all is not as it seems. When they discover that Flaxton is actually a tax inspector, on his way to count the mountain of tax silver in Nottingham Castle a plan is hatched to allow Robin access to the castle vault.

When Little John's son is arrested in Locksley, John moves to protect his son from the Sherrif's law - and is quickly thrown in Nottingham's dungeon. Alice is suprised to find her husband is still alive.

Prince John causes mischief when he shows up in Nottingham. Gisborne and the Sheriff are assigned on a royal mission.

The gang are shocked when Robin announces that Gisbourne is joining their fight against Isabella, but can their uneasy truce survive? Robin and Gisbourne 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.