Princess Guinevere decides to accept the King's proposal of marriage – provided he proposes on one knee on her tower balcony. But Petal thwarts Arthur's every effort to climb up there. Merlin suggest a magical rope trick, known only by a reclusive Hermit in the Mid-lands. Dogged by Sir Launcelot and Sir Martyn, Arthur and Merlin also travel to Greece as the Hermit's spell requires a snake from the head of Medusa. Sir Launcelot is turned into a stone and Merlin accidentally burns down a village but, undaunted, Arthur uses the rope trick and reaches the balcony of his beloved princess – almost!