When Bay Area hip hop artist Extra Large is murdered via a car bomb, rival rapper Murderuss becomes the prime suspect. But anticipating this, he turns to Adrian Monk to prove his innocence. Intimidated by a large Black man, Monk takes the case and spends most of the hour trying to get out of it. Natalie, meanwhile, notices the owner of Extra Large's label being quite shady about the whole affair. Will she be able to wake Monk out of his racist haze long enough for him to put the pieces together?
Erik issues an important safety warning about limos on the Universal Studios backlot. Geography Corner makes a special trip to San Francisco. Bane returns with new allegations about the Batman's child army. The show's loose implication that Diddy killed the Notorious B.I.G. becomes an unavoidable part of the discussion. Special Guest Star Snoop Dogg gets praise for his performance. Justin also praises guest character Snake Da Assassin. Monk's apparent racism gets criticized. Erik tells a horror story about the ghost of Richard M. Nixon (harroo!), and the importance of ordering breakfast is reiterated.