Katie plans a "divorce party" trip to Las Vegas and Lake Havasu but conveniently leaves Scheana off the guest list. Lala and Raquel find themselves flirting with the same guy. Ariana receives devastating news from home. James attempts to minimize his drinking around his mom but finds himself reeling when Ally raises the same concerns. After discovering the Toms' financial issues, Lisa and Ken make them an offer they might be desperate enough to accept.