It’s the last competition before Nationals and it is everyone’s last chance to impress Abby; especially Nia, Kendall and Select Ensemble member Sarah, who all have solos. Sarah’s mom Tracey’s dream of joining the Elite team is threatened when guest mom Kate and her daughter, Kayleigh, show up for the group dance. But the real shock comes when Cathy crashes the competition and causes Abby to explode.