Complex sentence: The first thing a now possessed Sonny does is approach Patricia to "play a game" with her-where he is a famous photographer and she is his famouse nude model; she agrees to pose naked, and the pair end up having sex.
Split into simpler sentences: The first thing a now possessed Sonny does is approach Patricia to "play a game" with her-where he is a famous photographer and she is his famous nude model. She she agrees to pose naked, and the pair end up having sex.