The Secret of Sarek (L'Île aux trente cercueils / The Island of Thirty Coffins) is a French novel by Maurice Leblanc, 1919, also known for the film version as a mini-series in 1979 starring Claude Jade as Véronique.

While watching a film, Véronique spots her childhood signature "V d'H" mysteriously written on the side of a hut in the background of a scene.

Her visit to the location of the film shoot deepens the mystery, but also provides further clues that point her towards long-lost relations and a great secret from ancient history: She finds a prophecy: "Four women on the cross, stone of God that gives life or death.

In 1979 a successful TV series "L'Île aux trente cercueils" was released.

Director: Marcel Cravenne In the mini-series, the figure of Arsène Lupin, who appears at the end like deus ex machina, does not exist.