Grissom works a nightclub shooting with Greg Sanders, who finally found a replacement in the lab and now only has to pass his final proficiency test. Catherine investigates a stripper found dead in a hotel room. Warrick investigates a man found electrocuted in his bathtub. Sara and Nick are called in when an 'alien' is found in a shallow grave near Area 51.

The CSIs investigate when a thunderstorm washes up a body in the city storm drains. Murder is soon ruled out, but the team makes another disturbing discovery: human bones that may have come from a murder. The only problem is finding the location where the body was dumped.

The CSIs investigate the kidnapping of a 13-year old girl at the parking lot of a convenience store, which turns into a very disturbing murder. Catherine attempts to re-assert her role as a mother when her daughter Lindsey has been picked up by the police for hitchhiking.