An "Accident waiting to happen". Brass: Six dead. Catherine: (scoffs) I know she was thirteen years old. Grissom: This is the first time a roller coaster has derailed in Clark County. It seems it was zoodoo. Science team. She's 13. So what? The WOMAN takes the folder and leaves.) This is an active investigation. Warrick: The choice of weapon and the manner of disposal suggest that this was not a premeditated murder.
Plan: A: A roller coaster; Q: What runs off its track? A: six people; Q: How many people died in the roller coaster accident? A: The CSI team; Q: Who investigates the roller coaster accident? A: One; Q: How many deaths were not what they seemed? A: an unexpected direction; Q: What direction does the case take? A: Warrick; Q: Who is Catherine's partner in the investigation of the 13-year old girl's death? A: whose body; Q: What was dumped outside of town? Summary: A roller coaster runs off its track, leaving six people dead. The CSI team investigates whether this was an accident or foul play. One of the deaths, however, is not what it seems, and this takes the case in an unexpected direction. Meanwhile, Catherine and Warrick investigate the death of a 13-year old girl whose body was dumped unceremoniously outside town.