Grissom and Sara's investigation into charges against David Hodges heats up as Internal Affairs joins the hunt. Also, pressure rises for the CSIs when a video game developer's body is found floating in a fountain before a huge gaming tournament.

The CSI team investigates when a body is dug up in the luau pit of a Hawaiian-themed hotel. Also, Internal Affairs begins to question Grissom and Sara's return to the crime lab.

Max puts CSI on lockdown when evidence in a new murder tips Grissom and Sara to a new suspect in the crime lab. Also, Folsom and Allie investigate a series of chilling killings at a dilapidated clown-themed hotel.