After an explosion in a bio lab, the CSI team races to determine which nerve agent left one of their own unconscious, while the others explore a dangerous underground tunnel to find another CSI who got kidnapped during the blast.
Genres: Crime , Drama , Mystery
Keywords: las-vegas , tv-shows-online , crime-scene , crime-scene-evidence , crime-scene-investigation , crime-scene-investigator , detective , forensic , forensic-evidence , forensic-expert , homicide , homicide-investigation , murder , murder-investigation