Cash-flow problems plague Stephanie, so Andy taps into his accounting skills to help her. Meanwhile, a secret about Bobby bubbles to the surface; Mike enrolls in a yoga class; and Kenny's new girlfriend proves to be shadowy and enigmatic.

PJ's college gal pal breezes into the Windy City from New York City with her three friends, but they prove to be a flighty, snobby crew. Worse, they seem to be heavily influenced by the "Sex and the City" gang. Meanwhile, Brendan begins to act like an egotistical jerk; and Andy tries to evade his overly friendly neighbor.