She offers to let them go in exchange for a little fun

"Now, girls, could it be that you imbibed a little too much liquid courage?" Ellen inquires with an indulgent wink. - "Um ... maybe we had one shot too many", Candy admits with renewed hope. "Is there anything we could do to make you let us go?" - "Well, let's see ..." Ellen scans the three young adults with her eyes. "I think we have two alternatives. You could let me have this handsome young guy, or we could have a little fun all four together. What do you think, ladies?"

Roxy and Candy exchange a glance. "Give us a moment, officer", the busty Asian requests. The drunken beauties leave the car and deliberate upon the matter out of earshot. Finally, they arrive at a conclusion.