The episode follows two main threads that collide at the "San Francisco Band Jam":
Captain Stottlemeyer's son, Jared, has skipped school to attend the festival. Stottlemeyer, Natalie, and a very reluctant Monk head to the concert to track him down. Watch Monk S05E08 1
Monk only agreed to go because he thought a "rock show" was a geology exhibit—he even brought his own magnifying glass for what he assumed would be a day of looking at minerals. The episode follows two main threads that collide