The CSI team is called in to investigate a man who is shot at point-blank range in a local casino, they shut down the entire building to find their killer.

Things take a strange twist when not one, not two, but three guys who all look alike were in the casino when the man was killed. 

In the end it turned out that all three were from one embryo along with a fourth twin that turned out to be the 12yr old son of the victim who planned the murder.