Centuries before he meets Arthur, Merlin wanders the earth, eternally young, a traveler on the path of magic and learning. During his journeys he encounters Jason and joins his search for the Golden Fleece. It is a decision that will cost him dear... Hundreds of years later, Merlin hears of a screaming ship in a northern lake and divines that it is the Argo... that Jason still screams out for his sons, stolen by the enchantress Medea and thought dead...