"Cadmus et Hermione" is an opera composed by Gabriel Fauré, first performed in 1893. It is based on the mythological story of Cadmus, the founder of Thebes, and his wife Hermione. The opera explores themes of love, betrayal, and the consequences of one's actions. The narrative follows Cadmus as he faces challenges in his quest for happiness with Hermione. The characters navigate their emotions and relationships, reflecting the complexities of human experience. The opera is notable for its lyrical melodies and rich orchestration, showcasing Fauré's unique style and contribution to the French operatic tradition.