The Hustle.

Niannian ( Xiaoman ) and Xiaofan ( Axi ) are two girls who try to blackmail the rich to raise money – they pose as escorts to lure men into a false sense of security...and then squeeze as much money as possible out of these fat sheep . But one day they tried to blackmail an old man, who turned out to be the boss of the underworld. They got a bag of IOUs and IOUs from gangsters, and a wad of cash! The rewards are great, but then the duo gets worried again.