Barney gives Quinn a very exhaustive pre-nup, leading her to respond in kind. The guys put forth their own relationship standards, that the girls find unacceptable.
At Barney's future wedding, everyone remembers when they made Ted go after a girl who'd gotten away.
The baby shower makes Marshall realize just how close fatherhood is for him. Meanwhile, Ted dates a slew of girls, all of whom bring up memories of Robin.
Barney tries to get Ted out to make every night legendary. Meanwhile, Marshall obsesses over determining about whom Lily had a sex dream, and Robin gets a crash course in overnight fame.
Ted, Marshall, and Barney get together to watch the Star Wars trilogy and imagine where they may be three years from now. Meanwhile, Barney and Quinn move in together.
The rest of the gang tries to intervene when Barney announces Quinn's moving in with him. Meanwhile, Ted and Robin clash over subletting Quinn's rent-controlled apartment.
Barney continues his pursuit of Quinn. Ted has to deal with Robin's old room, while Robin gets a taste of suburban life from Marshall and Lily.
A weekend Vermont vacation with Marshall and Lily sees Robin and Kevin discuss getting serious. Meanwhile, Barney meets a girl who seems to know his moves before he makes them.