In Caumont Castle King Persine and Queen Rapunzel are still reeling from the discovery of a mysterious spy in their midst. The loyal subjects of Caumont must be made aware of the sinister magical threat before it's too late! Meanwhile, having made her escape from Caumont via the River Esk, Rapa is still struggling to make sense of her situation. Can she really trust the amphibian girl who saved her life, or is she even more confused than Rapa herself?