Help with my short film?

The theme for my project for my short film is a 'Party in a car' sort of idea, about young people travelling together on a night out. I'm supposed to explore the distractions towards the driver, having people in the backseat drinking and singing loudly to music.My friend had the idea of the driver driving to a nighclub with his friends because the passangers in the backseat were being too noisy. What kind of ending should my story have?