Simplify the following text for a Grade 13 native English-speaking person.
Original: He follows her into a dressing-room , where he , unseen except by the viewer , overhears her argument with the film 's producer Mukesh Mehra ( Arjun Rampal ) about a recent promise of Mukesh 's to marry a businessman 's daughter in return for funding of a film .
Simplified: He follows her into a make up room to talk to her , but ends up listening to her having an argument with top producer Mukesh ( Arjun Rampal ) about a recent promise of Mukesh 's to marry a businessman 's daughter in return for funding of a movie .