After Alex leaves her fiancé, Dave, at the altar, they struggle to maintain relationships with their mutual friends.

Alex convinces Penny to join her on a string of girls nights out; Max persuades Dave to seek revenge; Jane talks Brad into a night out.

Dave and Alex persuade the gang to go to a concert together, but their trip doesn't go as planned; Penny tries to get backstage.

Dave shocks everyone by quitting his job to open a restaurant; Jane and Max face off in silly challenges; Penny is exhausted trying to keep up with her new boyfriend's friends.

Dave's fling begins turning into a relationship he doesn't want; Jane tries to help Alex find a roommate.

Alex and Jane's sibling rivalry heats up; Dave dates an attractive woman with an unusual quirk; Penny gets an assistant.