On the Real Housewives of New York City: Erin and Ubah can't get on the same page about their friendship. Raquel throws a ballroom themed engagement party and everybody but Jessel understands the assignment. Jenna has a stoop sale to get rid of her old stuff. Raquel and Erin squash their beef. Sai has a freak injury. Brynn shares her raw personal story. And a girls' trip is planned.