Schwartz makes amends with Katie after their blowout fight, while Beau opens up to them about his plans to propose to Stassi. Lisa reprimands Danica about improving her attitude, Kristen learns she isn't invited to Las Vegas for Schwartz and Katie's second wedding, and Brett sets his sights on a newly single Dayna, despite Scheana's emotional objections.

Lisa helps Beau plan a secret engagement party for Stassi, but Stassi's insecurities threaten everything when she explodes on Kristen at a wine event. Meanwhile, Lala and James make music together and bond over their sobriety struggles, Danica takes Brett to task for dating his friend's ex, and Scheana presents Dayna with an unwanted gift.