When a boy trips on the floor and burns his hand, the hazmat team is summoned to examine the soil in the park. When they find a body covered in lye buried on the ground, Grissom, Sara and Capt. Brass investigate the case. They learn that the victim is Bob Martin, and in the autopsy that he was struck by a car and died bleeding out for two days. When they identify the car, they locate the owner, the lawyer Ben Weston. Now they try to learn what has happened to Martin. Meanwhile, Nick and Detective Cyrus Lockwood investigate the case of the body of Stacy Warner that was drowned in the desert. He boyfriend Matt Hudson tells to Nick and Lockwood that they were training for a competition of extreme sport and Nick suspects of Matt.
—Claudio Carvalho, Rio de Janeiro, Brazil