Resuming after the season two cliffhanger, Lena and the crew are stuck in 1983, with Henri having been deleted by the Time Bureau.
Back in present day with their time travel memories erased, Lena and the crew finish their school exams for the year, unsure of their future or their past.
With Max gone, Lena panics about not having a dance partner but her problem seems solved when she meets Nico.
In the South of France, the crew have an opportunity to audition for the CJ company's production, but dance partner drama gets in the way.
Lena is challenged by a younger dancer named Romy, who is hoping to train with the First Division.
With her time travel memories erased, Lena struggles to complete an assignment about her dance progress.
Armando issues a ballet challenge to the CJ Company and other divisions on behalf of the crew, but tensions between the crew hinder the creative process.
Henri is back in present day and working hard to help Lena regain her memories.
Nico suspects that Lena has regained her memories which forces Claudine and Lena to work together to save the day.
Lena and Claudine hatch a plan to steal Nico's wristband in order to disarm him and give Ines her memories back.
Lena struggles with meeting her biological father and tries to focus on ballet and the upcoming performance.
Lena has the idea to put on a “Night of Tchaikovsky” performance at the school but everything is derailed by a mysterious ball in 1905.
The “Night of Tchaikovsky” performance is about to begin, but Ines, Jeff and Isaac are trapped in 1905.
Lena, Henri, Frank and Nico are being held captive in the white room until they reach an agreement with the Bureau.
With company auditions fast approaching, Armando gives the first division assessments and mock auditions to prepare them.
After everyone is ranked by Armando, they see him with a mysterious woman and believe he is leaving the school.
Armando gives out aptitude tests and the crew are unhappy with their results.
The Heirs put on a Talent Show as a cover for a covert mission.
The pressure is on as the crew learns there are only three spots left in Company.
Lena and Nico must sneak into the Bureau to save Romy.
Lena and Ines feel the pressure with Company auditions fast approaching.
Nico trains Lena, Henri and Frank for their upcoming time fight with the Bureau.
With Company auditions one day away, Armando instructs the crew that they must rest and not rehearse or even think about dance.
Today's the day the crew has been working towards their entire life - The Paris Opera Ballet Company auditions!
It's the Heirs' 18th birthday which means the Chosen One will be revealed and the Bureau is coming to take him or her away.
We fast forward in time to see what the crew is up to 6 months after the fight against the Bureau.