Robin is determined to get hold of the Great Pact of Nottingham, but when a lovelorn Knight begs the outlaws to help him save his girl, Robin decides he'll use the Knight's silver to locate where the Sheriff'streasure, including the Pact, is hidden. But with Allan A Dale now firmly on the dark side and leaking the outlaws' secrets to Gisborne, Robin realises he must act quickly to save Marian. Worse still, Edward has his own agenda for the Pact, with tragic and life-changing consequences for Marian.

A mortally wounded messenger from King Richard flees Locksley Manor, pursued by Gisborne's men, and runs straight into the arms of Robin. In his dying breaths, the messenger utters the word 'Lardner', to Robin's confusion.

What is clear, though, is that Gisborne and the Sheriff are hunting the same Lardner. Trapped in the tree that houses the secret, Robin and Marian realise that unless they resort to desperate measures - and the help of a Fool - they face certain death.