In the back of a bustling city bus, a group of innocent-looking teens, desperate for cash, engage in a secretive and salacious transaction. One by one, they disappear into the back with mysterious passengers, emerging minutes later with wads of cash clutched in their hands. The driver, oblivious to the debauchery unfolding behind him, continues his route as the teens, their faces flushed with excitement and shame, ride the bus to their next stop.