One night, you were gambling in Las Vegas, You won a lot of money by your skill, but a mafia knows it, he hires some killers to kill you and planning grabs all the money belongs to you. But there are too many customers in Vegas. Not wanting to fear them, those killers dressing like clowns to make you overlook on the alert.
They have knives for killing you, and fortunately, you have two guns with you for protecting yourself and kill them. We will afford you some food for keeping your strength to fighting with them. You must very carefully that those clown killers are from everywhere, every side you never know...