Tyrone celebrates his 21st birthday with his friends at a local bar. Tyrone's friends encourage him to drink more and more. By the time the bar closes, he has had 20 beers. Before serving Tyrone his 18th beer, the bartender observes Tyrone fall off his barstool. Tyrone staggers out of the bar and decides to drive home. On his way home, Tyrone runs a stop sign and causes an accident with another vehicle. Sue, the driver of the other vehicle, sustains significant injuries.