Island Disappearance Mystery Becomes Cursed Film

Riley Sager's tenth novel, "The Unknown," revisits the century-old mystery of New Avalon island. In 1926, Ruth Hume Semple and her guests, believed to possess paranormal abilities, vanished without a trace, leaving behind only five dresses on an oak tree and a diary.

A modern-day film adaptation of this diary, directed by Ronan Peters, aims to bring the legend to life. To prepare, the cast, including actresses Violet Wright and Marin Keane, spend a week on New Avalon, living as the women did in 1926, complete with séances and no modern technology.

Almost immediately, the cast encounters chaos, both human and supernatural, eerily similar to the diary's contents. The novel delves into themes of trauma, womanhood, and the high cost of fame, keeping readers unsettled with constant plot twists.

While atmospheric, "The Unknown" prioritizes narrative twists over deep character development. Protagonist Marin Keane often feels like a plot device, her journey through trauma serving more as a narrative transition. For dedicated Sager fans, the novel offers numerous nods to his previous works, akin to a "greatest hits" tour.