Schwartz tries to make peace between Ariana and Stassi, but Katie gets annoyed when Ariana refuses to play nice. Meanwhile, James is excited to play his biggest DJ set since being fired from SUR, but the gig is ruined when Jax, Scheana, Kristen and two alleged mistresses ambush James to expose his cheating ways. Finally, Lisa gives Katie valuable wedding advice and Schwartz gets his prenup, only to learn that he doesn't have much to protect.

Scheana throws a pre-New Orleans pool party but when Tom and Katie's fighting reaches a new level, the group wonders if they should get married at all. Meanwhile, when Lisa allows James to DJ a party at PUMP James makes a play to get his old job back. Later, the bachelor/bachelorette party kicks off with plenty of Bourbon Street debauchery, but Sandoval stirs up trouble when he tells Katie she needs therapy. Finally, Stassi confronts Jax about his past mistakes resulting in tears from Jax and jealousy from Brittany.