The CSIs crash an elegant party for the city's crème of the crème to discover who killed a young man. The case gets a bit more personal for Catherine when her father, Sam Braun, is one of the suspects.
Where Are You? — Frank Sinatra
Brass & Grissom arrive at home of Ms. O'Neill to find her in her bedroom, on the bed, having been shot. This song was playing in her room. Song was also played as overlay to closing scene.