It starts when "CSI: NY" star Gary Sinise's character, Mac Taylor, heads to Las Vegas to visit his girlfriend. However, he quickly learns she's gone missing. Mac teams up with D.B. Russell (Ted Danson) and the Las Vegas CSI team to find her. The episode airs Wednesday, February 6 at 10 p.m. ET on CBS.
The search continues on "CSI: NY" when Danson's character heads to New York to help Mac track down the kidnappers and find Christine. The two-parter concludes on Friday, February 8 at 9 p.m. ET on CBS.
"CSI" is no stranger to crossovers. When Laurence Fishbourne starred on "CSI," he did a three-part event over "CSI: NY" and "CSI: Miami."