Stassi has been sniffing around SUR, but Lisa Vanderpump wants her to keep her distance. Scheana and Ariana discover that their friendship may be more damaged than they ever knew. With the SUR crew headed to Hawaii for Jax and Tom's birthdays, James plots to get invited on the trip. Kristen attempts to make peace with Sandoval, newly engaged Katie takes her engagement ring on a victory lap at SUR, and Faith and Lala skinny dip in the most unlikely of places.

While the SUR crew parties in Hawaii, Stassi visits Kristen and reveals the truth about her sex tape. Ariana rejects Scheana's fake apologies, and Tom strikes back with an attack on Scheana's marriage. Lala kicks James out of bed for an equipment malfunction, and just hours before leaving paradise, Jax winds up in jail.