The Business of Strangers is a 2001 film that tells the story of an eventful night shared between a middleaged businesswoman and her young assistant. The independent film was directed by Patrick Stettner it stars Stockard Channing and Julia Stiles.
The two retire to Julies room, and when Nick knocks on the door later on, Paula invites him in and then drugs him. In order to keep him from realizing what theyve done, the two women take him down into a restricted area of the hotel which is being renovated. Julie runs upstairs to get Nicks briefcase, and returns to find Paula stripping him. Paula explains that this way when he wakes up he will hesitate to ask anyone what happened.Paula photographs them all with her Polaroid camera. Paula finds a magic marker and they write words on Nicks chest and back like pig and rapist. They are nearly discovered by a security guard, but he leaves without seeing them. Paula eventually confesses to Julie that it was she who was raped, not her friend which Julie had already guessed. They return to Julies room and sleep. ........
Source: Wikipedia