Umineko no Naku Koro ni Episode 1: Legend of the Golden Witch

A family conference takes place on Rokkenjima, a private island, where the Ushiromiya family discusses inheritance matters due to the declining health of their patriarch, Kinzo. A typhoon cuts off all communication, stranding the family. They receive a letter attributed to Beatrice, the island's legendary witch, and strange occurrences follow.