A dirty cop may be to blame for the death of a paintball player. Mac comes face to face with his deceased wife's son.
The CSIs investigate after two underage party-girls die: one in a car accident, the other in the hospital after the same crash.
When a woman dressed from head-to-toe in blue is found dead in the subway, Mac is summoned from a night at the opera to process the scene.
The team investigates the death of a female football star who is found dead in a locker room. Is a bitter rivalry to blame?