Against Peggy's wishes, Frank secretly helps design a set for a musical in which Timmy is performing. Feeling jealous of all the positive attention Frank is getting for his work, Timmy devises a plan which forces Frank to admit his involvement on set, but Timmy's scheming backfires. Meanwhile, Mike grows increasingly concerned that Joey is heading down a shady moral path with all his wheeling and dealing, and decides to teach him a lesson.