The episode will see Mac Taylor (Gary Sinise) entering Second Life to pursue a killer who has killed a Second Life user in a case of virtual stalking gone too far.
CSI:NY fans will be encouraged to join Second Life and investigate the case by following a link on the CBS website. CSI:NY will have three options for CSI-related inworld activities. The first option will allow viewers to walk around virtual New York buildings and visit a CSI lab and play forensic games.