Timecode (2000)

L.A., real time. From her limo, the wealthy Lauren eavesdrops on her lover Rose's tryst with movie producer Alex Green. The assignation takes place in his company's screening room between meetings. Alex's wife walks from therapy to his office, tells him she's leaving him, weeps in a bookstore restroom, and walks home with a cocaine-sniffing actress friend for what may lead to sex. Alex is drinking, wants to quit work and move to Tuscany, laughs at pretentious movie pitches, and puts off Rose when she asks for an audition. A film director sees Rose and decides she's perfect for his next picture; she takes a screen test. She's ecstatic and calls Lauren: jealousy takes over.