The Grey Sisters

Plot:

As Medea escapes Jason takes the wounded Ariadne back to Atlantis, where Orpheus swears that he will retrieve Eurydice from Hades. Unable to cure Ariadne because Medea used a dagger imbued with a magic spell the Oracle directs Jason towards the Grey Sisters, who tell him that only Medea's blood will act as a cure but she must not be killed. Having located Medea and obtained a vial of her blood Jason is captured by Pasiphae, who appears to want reconciliation and asks him about his mother, but he is rescued by Pythagoras and Hercules. They return to Atlantis to revive Ariadne - who proposes to Jason.