La Vestale - Opéra national de Paris.

Priestess Julia watches over the eternal flame of the goddess Vesta. While the Great Vestal condemns to death every virgin who breaks her vow of chastity, Julia is delighted to be reunited with Licinius, who has returned from war as a victorious Roman general. One night, as the two lovers swear their love before the temple altar, the eternal flame goes out…