As the wedding approaches, Barney and Robin deliberately ruin an obnoxious couple's evening, Marshall and Lily's plans for Italy hit a snag, Ted tells Lily that he's moving to Chicago, and the "mother" buys her ticket ...
Barney gets Marshall back out on the singles market, but Barney keeps taking all the prospects from him. And Ted's convinced that Lily is back because she wants Marshall back, even though she says she's never been better.
Ted gets Lily a job at his firm, but she only makes trouble for Ted when he refuses to stand up to his boss. And Barney sleeps with Marshall's law school professor to help his grades, but she's less than impressed with his prowess.
Barney asks Lily to paint a nude picture of him after finding her painting of Marshall. And Ted can't find an opportune time to fire his old boss, who now works for him but still keeps undermining his work.
Ted to gets rid of everything he received from other women at Robin's request, but getting rid of the stuff Robin received from other men won't be as easy. Meanwhile, Barney gets revenge on Lily for making him attend her terrible play.