The students are back for another exciting year at Keaton. Vanessa and Carly must face some hard consequences, Jax's summer comes back to haunt him and Alya and Miles compete to be mentored by one of Keaton's top music students.
A new addition to the Primas finds Carly struggling to keep the new recruits in line. Kit helps her sister, Scarlett, try to sing again. Alya discovers Frances' teaching methods aren't what she expected.
The competition in dance class heats up as Sasha and Beckett fight for a chance to duet with Carly for the CAMDAs. Miles comes to terms with his feelings for Alya. Scarlett searches for a new vice president.
As students from around the country head to Keaton for the CAMDAs, an unexpected visitor causes Alya to come face to face with her stage fright. Vanessa discovers the awful truth behind the sprinkler video and Jax plans to win back Bianca.
A new interdisciplinary assignment leads to some unexpected pairings. Miles' leadership is tested by Matteo. Vanessa attempts to keep it professional with Beckett. George helps his group in his own unique way.
Scarlett rallies the troops to save Keaton even if it means enlisting the help of her best friend's enemy. The Primas return, but not everyone gets an invitation. Alya uncovers the truth behind Miles' odd behaviour.
As the fight to save Keaton continues, Carly struggles to tell Vanessa the truth about her summer plans. Kit and Bianca debate on how to deal with a Scarlett super fan. Sasha helps Jenna find her own dance group.