When R.J. and Alex reminisce about their former motorcycle days, Alex tries to bring the past back to life. Whitney, not as enthused, demands that Alex not get a motorcycle. Meanwhile, without Mark's approval, Lily decides to order new beer for the bar, benefiting everyone in the end.

Whitney can't hold back her excitement at the opportunity to reconnect with her half-sister, but when the reason behind Lauren's visit is revealed, Whitney realizes she must support her sibling's life-changing decision. Meanwhile, Alex and Mark try to cheer up a newly dumped and depressed R.J. after discovering him soaking in his bathtub.

Alex convinces Whitney to celebrate their honeymoon at his parent's lake house, but they are surprised to be greeted by Alex's troubled father upon arrival. Wayne reveals to Whitney that the picture perfect marriage between he and Alex's mother is not as great as everyone believes. In the meantime, Mark, Lily and Roxanne make themselves comfortable in Alex and Whitney's apartment and discover some weird habits their friends share.