Merlin: Season 2, Episode 9

2 - 9: The Lady of the Lake

When Merlin discovers the beautiful druid girl Freya trapped in a bounty hunter's cage, he knows he must help her escape. Merlin harbours Freya in the tunnels beneath Camelot. But with the bounty hunter searching for his missing prize and a ferocious magical beast on the loose, she can't stay hidden long.