Jim believes in treating everyone equally, so when he busts a pudgy Muslim girl for making fraudulent returns, he gives her the same offer he gives every other woman he busts he'll let her go, so long as she makes it worth his while.
But Sharnaz comes from a strict family, and while she can't let her father find out she's a criminal, neither is she willing to give up her virginity though she'll do anything short of that if he'll let her go