The Vanderpump Rules reunion comes to a dramatic close as Stassi and Katie argue with Kristen over her tumultuous relationship with Carter, Jax answers for his bad behavior toward Brittany's family, and Scheana reveals the surprising results of her penguin gift to "best friend" Adam. Stassi's boyfriend Beau Clark makes an appearance and opens up about their dramatic fights in Mexico and the future of their relationship. Tom Schwartz defends his manhood, while Jax discusses whether his own mother will be invited to his wedding, and Lisa warns James that his outbursts and aggression may cause him to lose what little support he has left.