The CSIs investigate the disappearance of a high school cheerleader and her basketball player boyfriend.
The CSI team races to find D.B. Russell's missing granddaughter in the wake of her kidnap.
Grissom is sent a miniature crime scene in a cardboard box and attempts to solve a murder before it is committed.
Keppler is forced to face his past when an old face turns up in Vegas asking him for a favour. Grissom returns from his sabbatical.