Mr. Burns tries to relive his glory days and crosses paths with a mysterious music mogul. After being conned by him and reduced to bankruptcy, Mr. Burns seeks revenge on the Music Producer with the help of Homer, Bart, rapper Jazzy James and the mogul's ex-wife, Praline. Also, Lisa is courted by the richest kid in town, Smithers begins a perilous journey and Marge opens an obscure boutique store.

Mr. Burns tries to relive his glory days and crosses paths with a mysterious music mogul. After being conned by him and reduced to bankruptcy, Mr. Burns seeks revenge on the Music Producer with the help of Homer, Bart, rapper Jazzy James and the mogul's ex-wife, Praline. Also, Lisa is courted by the richest kid in town, Smithers begins a perilous journey and Marge opens an obscure boutique store.

Lisa travels back in time to 1923 and discovers that the Springfield Mini Moose, once key to the town’s ecosystem, were driven to extinction in 1925. Teaming up with young Monty Burns, Lisa works to save the moose, but her actions unintentionally shape his future as a ruthless tycoon.