Joan's trying to figure out how she can pass math when God tells her to take piano lessons from a teacher (Louise Fletcher) who may be the crankiest woman in Arcadia. Meanwhile, the teen learns a family secret that her father has kept hidden for years.

God gets Joan to take a class on cosmetology where she gets a good foundation on the principles of self-concept and esteem, leading her to renounce makeup and regular bathing. Meanwhile, Kevin reunites with a former girlfriend.