It is wrong to drive under the influence.
Chris is at a friend's house and has drank a lot, but now needs to drive home to sleep before work tomorrow.
Chris wants to go home.
Chris asks a sober friend who lives near him to drive his car home, so he doesn't have to get in trouble.
Chris gets into his car and starts driving home, weaving all over the road and nearly colliding with several people.
The friend drives Chris home, keeping everyone else on the road safe and unharmed.
The people near Chris are frightened by his terrible drunken driving and call the police on him.