Theorem (1968)
A wealthy Italian household is turned upside down when a handsome stranger arrives, seduces every family member and then disappears. Each has an epiphany of sorts, but none can figure out who the seductive visitor was or why he came. italian, bourgeoisie, host family, household, stranger, lgbt, bisexual man, visitor, mysterious character, sexual encounter, drastic change of life, uninvited guest, wealthy family, seducer, milan, italy, gay theme, religious allegory, confess feelings, charming man