During a rave party, the body of a Petty Officer falls through the ceiling. Preliminary investigation suggests that the Petty Officer was killed in the parking lot a hundred meters away, and was dressed after his death. Upon checking the victim's room, evidence surfaces that he may have been taking kickbacks. Gibbs suspects the victim's co-workers, and suspects their involvement in the death when their separate versions of events are too consistent. Forensic evidence links them to the scene, and they eventually confess that the death was a prank gone wrong, but Gibbs still believes that there's more to the case than meets the eye.