Catherine and Nick become absorbed in the dangerous world of street racing after one of the illegal sport's hotshot drivers is found dead out in the desert at an abandoned airstrip. Back in town, Grissom and his crew probe the sudden death of a renowned poker player who suffered a violent convulsion in the middle of a high-stakes game with three others. It looks like natural causes, at first, but Grissom suspects foul play.

With time, the weather, and the desert against them, the CSI team must work together to find Sara before she dies from the miniature killer's attack.

A mother thought to be grieving for the loss of her family three years ago becomes a suspect in a CSI investigation.

When shredded remains of a man are discovered, evidence leads to multiple possible suspects.

When three people confess to killing a family, the team must decide who is telling the truth.

The CSI team investigates the bizarre death of a man who was killed not once, but twice.

The CSI unit faces the final showdown with the Gig Harbor killer whose motives are finally revealed. Meanwhile, Nick Stokes makes a decision that will affect the entire team moving forward.