Angels and Insects (1995)

In Victorian England, wealthy patriarch Sir Harald Alabaster invites an impoverished biologist, William Adamson, into his home. There, William tries to continue his work, but is distracted by Alabaster's seductive daughter, Eugenia. William and Eugenia begin a torrid romance, but as the couple become closer, the young scientist begins to realize that dark, disturbing things are happening behind the closed doors of the Alabaster manor.