Alex is torn between her daughter's school play and an "all-hands" situation; Joyce spends hospital funds on a fancy mammography machine.
The BAU leads the investigation into a string of murders taking place in supposedly haunted houses in Lewiston, Maine.
Grissom and Sara's investigation into charges against David Hodges heats up; a video game developer's body is found floating in a fountain before a gaming tournament.
The CSI team investigates when a body is dug up in the luau pit of a Hawaiian-themed hotel; Internal Affairs begins to question Grissom and Sara's return to the crime lab.
