''Nevada Rose'' Deville was one of the most beautiful and desired sports groupies in Las Vegas, a fixture at the trendiest casinos and clubs on the Strip. But the endless party comes to an end the morning her nude body is found bound and gagged in her home. As crime scene investigators Catherine Willows and Warrick Brown dig deeper, all the evidence points to Mark Baker, aka ''The Fireball'' -- a hard-throwing major-league baseball pitcher and collector of gorgeous women who recently conducted a very public affair with the deceased. Meanwhile, miles away on the grounds of a world-class championship golf course, Gil Grissom is probing the macabre discovery of a John Doe -- an intense investigation which will unearth a web of jealousy and distrust, fuelled by a bitter sibling rivalry over a ''Nevada Rose'' of a very different nature...