Robin and his band go to a charity wrestling match, where they meet his old friend Theo, who is now the local sheriff. As Little John, "the Celtic Crusader", is winning his bout against "Gargantua", Lord Burnley a noble is assassinated by a crossbow bolt, and the culprit appears to be Friar Tuck, who has just been given a crossbow that he has accidentally shot. Robin must investigate what happened, and prove Tuck's innocence, by identifying the real culprit.