When a druid is caught by the king's guards, his son sends out a telepathic call for help. Merlin responds and hides the boy, Mordred, in Morgana's chambers. Morgana forms a close bond with Mordred and risks her life attempting to smuggle him out of Camelot. When this fails, Arthur joins in the plot to help Mordred escape. Merlin must decide whether or not to help when the Great Dragon hints at dark prophecies about Mordred.
