The libertine and rake Marquis Reinlaw intends to replenish his collection of seduced girls with the young aristocrat Cassandra, but the girl’s strict companion, Miss Smith, stands in his way. She behaves like a typical old maid, hides her beauty under shapeless dresses and dull hats, but why? ?At first the Marquis is just curious. Then curiosity develops into a real obsession with the mysterious Miss Smith. And from this obsession there is only a step to an ardent, desperate passion that increasingly captures the marquis...