"Aren't you going to tell me I'm the daughter of a king, Wennael? "The proud Duke of Rochelyse with his wild sloes smiles without answering the sweet Berengère, his fiancée. Bérengère, a foundling child, attracted the implacable hatred of Catherine de Médicis, Queen of France. For what reason? The girl ignores it. The Duke, on the other hand, knows the secret of Berengère's birth.

When she's his wife, he'll know how to protect her. He decided to marry her without delay in his castle of Ménez-Run. She accepts, madly in love.... Unfortunately, one day, when Bérengère accidentally entered the castle's underground, she surprised her beloved husband, who was busy with a sinister and cruel task. A vigilante's work, no doubt. But will Bérengère be able to forget this unknown and terrible Wennael, glimpsed in the dark depths of Ménez-Run?

Delly is the name of spouse feather of a brother and a sister, Jeanne-Marie Littlejohn of La Rosiere, born in Avignon in 1875, and Frédéric Petitjean of La Rosiere, born in Vannes in 1876, authors of romance novels popular.

Delly's novels, no known current players and ignored by the academic world, were extremely popular between 1910 and 1950, and were among the most successful in the global publishing at the time.