After one of the murals in City Hall is defaced, Leslie and the Parks Department compete to come up with a new design. Meanwhile, Andy and Ron share an uncomfortable moment at the shoeshine stand.
Christy finds it challenging to quit smoking, while Bonnie helps Tammy prepare to take the GED test.
A dead body is discovered in the store on Halloween, causing panic and confusing the shoppers; Amy and Garrett get into trouble using a dating app on Jonah's phone.
A witness agrees to testify against a gang member after a community activist is gunned down; TV host Bill O'Reilly criticizes the police department.
An unexpected occurrence puts Michelle at odds with her new mother-in-law; Fanny's students prove to be an inspiration.