In the Season Six premiere, freshly divorced Scheana throws a lavish masquerade birthday party to show off her new boyfriend, but things get tense when she leaves Katie and Stassi off the guest list. Sandoval jeopardizes his and Schwartz's new restaurant partnership with Lisa when she overhears him complaining about her management style. Finally, a vicious rumor circulates that could destroy a relationship for good.

Brittany's girlfriends put aside their differences and throw a Kentucky-themed party to help cure her heartache, but the group learns Jax's indiscretion may not have been a one-time thing. When Ariana gets thrown off of her horse during practice, she must learn how to get back in the saddle. Lala returns to SUR to ask for Lisa's forgiveness—and her old job.