Steve becomes the town pariah after he convinces the star quarterback of the Bazooka Sharks arena football team to stop playing. Meanwhile, Roger forces Hayley to become a cab driver to pay him back for her gambling debts.
Stan discovers that the Langley Falls historical mural has been ruined by graffiti and neglect and convinces the town to allow him to restore the mural himself; Roger becomes Steve's instructor at a prestigious clowning university.
Francine hosts a dinner party even though a serial killer who attacks dinner parties is terrorizing the town; when the lights go out and guests start to disappear, Roger takes charge of solving the mystery of who is stalking the party.
Stan is frustrated with traffic so he goes to the mayor and proposes that the town build a bullet train, but the mayor laughs off the idea; Roger pushes Stan into running for mayor; Stan wins the election but finds himself overwhelmed.