Orpheus and Eurydice

The singer Orpheus loses his beloved wife Eurydice to the poisonous bite of a snake. With his singing he softens Hades, the god of the underworld, who then grants him access to the realm of the dead to be with his wife. Orpheus is allowed to accompany Eurydice back to life. But only on the condition that he does not look back at her on the way. But that is precisely what he does not manage!