Call 911. A scuba diver ... up a tree. Catherine: That's a total urban legend. (Cut to CGI POV of a scuba diver in Lake Mead and a large red bucket being dropped into the lake. Resume on NICK and CATHERINE.) Clifford Renteria: She's in Canada visiting her parents. The camera moves to show us that next to the newspaper sample, is a photograph of a blood spatter from the apartment wall with ruler measurement. Sara: Our guy's girlfriend is still missing. Catherine found it at the base of the tree. They said she never arrived. CSI -- LOCKER ROOM]
(SARA and WARRICK are in the locker room. Grissom: Sara? (NICK and SARA leave.
Plan: A: an abandoned, blood-splattered apartment; Q: What are Grissom, Sara and Warrick called in to investigate? A: a dead scuba diver; Q: What do Nick and Catherine have to examine? A: The team members; Q: Who is suspicious when the former tenant of the bloody apartment claims that his missing girlfriend is visiting her parents? A: the parents; Q: Who says the girl never showed up? A: a large fire; Q: What are Nick and Catherine called to the site of? A: the scuba diver; Q: Who is found dead in a tree near Lake Mead? A: an urban legend; Q: What is the scuba diver's death a murder or a fact? A: fact; Q: What is the scuba diver's death an urban legend turned into? Summary: Grissom, Sara and Warrick are called in to investigate an abandoned, blood-splattered apartment and Nick and Catherine must examine a dead scuba diver lodged in a tree. The team members are suspicious when the former tenant of the bloody apartment claims that his missing girlfriend is visiting her parents -- and the parents say she never showed up. Meanwhile, Nick and Catherine are called to the site of a large fire and are confronted with the scuba diver found dead in the top of a tree near Lake Mead. Is it a murder or an urban legend turned fact?