Rick and Morty fall into the clutches of the maniacal, musicall villain Concerto! His symphony of terror will finally make Rick pay for . . . wait, why is Concerto mad at Rick? In this triplet of stories from creators Brockton McKinney (Jenny Zero) and Jarrett Williams (Rick and Morty: Worlds Apart), the universes least-dynamic duo must evade and outrun Concerto, the rabid pooch Chickenskin Dogskull, a horde of fast-food-franchise mascot zombies, and more as they try to answer that age-old question: What is this guys deal, anyway?