Karen's cold feet about marrying Freddy (Daniel Cosgrove) cause drama as her wedding day arrives, and Lisa suspects that Nick is the reason why. Brian Jr.'s (Will Shadley) mother returns after her two-month Brazilian getaway to reclaim her son, to whom Brian Sr. is now attached. As Patrick's senatorial campaign heats up, his wife finds out about his extramarital affair from an unlikely source. Meanwhile, Natalie Kimpton (Tamara Feldman), who has stolen Juliet's bangs as well as her brother, tries to mend fences with Juliet by releasing a pop song with lyrics about forgiveness -- but a distrustful Jeremy thinks Natalie is pulling a con.