Schwartz and Sandoval use their "friendship break" as an excuse to see other people, but when construction delays the opening date of their new bar, the two throw a progress party to show off the space to their friends. Meanwhile, with Lisa's help, Ariana and Katie brainstorm ideas for their sandwich shop; Scheana embraces signing a prenup; and Brock's attempt to hold James accountable backfires and leaves everyone standing speechless.

On the eve of Raquel and James' engagement party, Scheana and Brock make a big announcement that sends shock waves through their friend group, while Sandoval confronts Lisa about her lack of support for the Toms' new bar. Meanwhile, Katie and Ariana get some good news about their own business, Raquel has a heart-to-heart with her father about her relationship with James, and Lala reveals a huge secret that turns the party on its head.