The episode begins with the murder of a tax collector in the village of Nettlestone by a mysterious archer. The Sheriff of Nottingham seizes this opportunity to frame Robin Hood, ordering his Master-at-Arms, De Fourtnoy, to kill more innocent people to solidify Robin's reputation as a murderer.
It seems you're asking for a review of Robin Hood Season 1, Episode 3, specifically in relation to (Media Player Classic, the video player).