When Lucian and his girlfriend Elizabeth arrive at their friend Andrew's isolated mansion to spend the weekend, they discover that Andrew's older sister, Miranda, and her artist boyfriend, Gerald, are already there. Miranda and Gerald quickly upset everyone with their antics, causing Andrew and Elizabeth to retire for the night. Gerald then talks Lucian into a marathon session of alcohol-fueled poker, during which Gerald loses all of his "possessions" to Lucian, including Miranda herself. Miranda and Gerald have a violent argument, and she throws him out of the house. Lucian and Miranda talk late into the night and end up falling asleep in the same bed. Lucian awakens the next day to find that Andrew and Elizabeth have left, leaving him alone in the house with Miranda. Though torn between his devotion to Elizabeth and his attraction to Miranda, Lucian decides to stay at the house for the remainder of the weekend. As the mutual attraction between them grows, so does their unease over ...