Stassi plans an epic surprise party to celebrate Jax and Brittany's engagement, but Sandoval and Ariana question Jax's ability to commit to one woman for the rest of his life. James attempts to work his way back into the group's good graces, unaware that Kristen has hatched a plan that might ruin his romance and banish him for good. Stassi seeks Lisa's approval for her new beau Beau, and Lisa must decide whether Jax deserves another chance to work at SUR.

Katie's ultimatum forces Lisa Vanderpump to reconsider employing James at SUR, while Scheana tries to prove her loyalty to Katie, Kristen and Stassi by cutting ties with him. Tom Schwartz and Tom Sandoval differ in their methods of interviewing potential TomTom staff, Jax and Brittany host a dinner party to debut their beer cheese, and Lala resents having to return to the hostess stand after enjoying a glamorous life outside of SUR.