Mike's ego suffers a blow when he finds out that Lisa's recent promotion gave her a slight edge in salary earnings, so Mike tries to convince his boss, Harvey, to give him a tiny pay bump - just enough to keep his salary above Lisas. Meanwhile, now that Adam and Callie are living together, Adam is forced to confront his bathroom phobia at Mike and Lisa's barbecue, while Callie's free-spirited and sex-obsessed sister, Kate, proves to be a match for Ethan.