A boy with no memory of his past washes ashore on the coast of Wales and searches for his true name; after stumbling upon his hidden powers, Merlin goes on a quest to the Otherworld; Merlin must face fire in many forms and deal with the threat of losing his magic. A boy with no memory of his past washes ashore on the coast of Wales and searches for his true name; after stumbling upon his hidden powers, Merlin goes on a quest to the Otherworld; Merlin must face fire in many forms and deal with the threat of losing his magic.