Your boss runs an auto repair shop and things are not getting well in the shop. Your boss want you to do something for him, so his business will get more jobs. The job is to cause havoc on the road, so there would be some car accidents. This is a sleazy way to gain clients, but the boss is an evil man and you can't do anything about it.
The game is played via mouse and the idea here is to cause as much damage as you can. You will receive $200 to start with and you will earn money based on the damage you have caused. As you progress in the game, you will be unlocking more things that you can use against the passing cars.