An aspiring singer (Ace Young) is murdered and, as Brennan and Booth investigate the musician's fans and foes, one obsessed woman transfers her affections to Booth.
A murder suspect is caught burying the bodies of his alleged victims; Catherine and Warrick investigate a woman found dead in a hotel's spa.
Dr. Carter's inquisitive girlfriend (Thandie Newton) makes an impact as she observes hospital operations; Gallant is almost shot during a domestic dispute; Weaver dedicates a center to the memory of Dr. Romano.
Monk gives new meaning to the phrase "don't drink the water" when he travels to Mexico to probe the mysterious death of a sky diver who drowned in midair.