A health inspector's visit coincides with Bob's efforts to bring in customers.

Peter needs a new kidney after his energy-drink addiction causes renal failure. Meanwhile, Chris is chosen to introduce United States President Barack Obama at his school after winning an essay contest. Trouble is, Meg wrote the essay.

Drunken father Frank is of no use to his dysfunctional family; Fiona meets a handsome stranger when her purse is stolen; Lip is shocked to discover his brother Ian is gay and tries to hook him up with a willing neighbor.

Marge reconnects with a close group of mothers she used to be friends with; Bart tries to break up their group when his playdates stop being fun.