(GRISSOM looks pleased with the find.) (On the floor is the body of a WOMAN. (Quick flashback to: In the lab, GREG is standing in the lab next to the fumer.) (SARA turns and leaves. Brass: Well, it's high school. CSI - CHEM/DNA LAB]
(WARRICK and CATHERINE stand in the middle of the lab.) Catherine: A while. Come out! Day before the murder. Everything else blew up in the lab. Greg: After that ... HOSPITAL - GREG'S ROOM -- DAY]
(CATHERINE and WARRICK interview GREG who is conscious and lying on his side on the bed.) Nick: She's been dead less than an hour. Sara: Hodges. She struggles. That's not the epicenter of the explosion. You're a hard-core ex-con. Young Woman: Stop.
Plan: A: Nick; Q: Who is the third person to investigate the murder of a young woman? A: a young woman; Q: Who was found dead in the press box of a high school stadium? A: a shady ex con; Q: Who was the young woman involved with? A: an explosion; Q: What event in the DNA lab leaves Greg seriously injured? A: Greg; Q: Who was injured in the DNA Lab explosion? A: the psychological trauma; Q: What is Sara struggling with after being caught up in the explosion? Summary: Grissom, Sara, and Nick investigate the murder of a young woman who was involved with a shady ex con, found dead in the press box of a high school stadium. They arrive less than an hour after the woman's death. In the aftermath of an explosion in the DNA Lab that leaves Greg seriously injured and hospitalized, Catherine and Warrick try to find out who is responsible, while Sara struggles to cope with the psychological trauma that she is suffering from being caught up in the explosion.