So, RK forces M to come home and stay with him. She refuses and rebels and runs away ( back to the chawl i mean). So, the contract comes to RK's rescue...he reminds her that she has to stay in RK mansion till the money is repaid. Like this he thinks, he can tie her down with him forever but then, she gets noticed by some film producer (its high time, shes more beautiful than the chand - endorsed by RK himself) and is launched . She agrees bcoz with that money she can get out of RK mansion and this is how she enters the filmdom, the track we all have been eager abt...
PS: may be sultan will help her somehow (with the film or moral support or somehow) and this will irk RK even more ...a proper triangle where we have two junoononified men...
PPS: alhtough its a triangle, its gonna be virtual -- i mean it doesnot really exist (sultan being the non-existent third vertex) -- M will always love RK and viceversa and they both are already married. but just bcoz M loves RK, he cant treat her like grabage-- throw her out and then get her in. RESPECT is equally impt for a successful marriage