Malpertuis: The Legend of Doom House

As a weary sailor named Jan sets foot on dry land, he is mysteriously abducted and awakens in the isolated mansion of Malpertuis. There, he is reunited with his sister Nancy and an eclectic group of distant relatives, each summoned by his dying uncle Quentin Cassavius. Cassavius wishes to will all of his heirs an equal portion of his fortune. However, in return, each must honor his dying request: They are to remain within Malpertuis for the rest of their lives, the last couple to marry. (official distributor synopsis)