Penny, the secret daughter of the famous popstar Bakia,and her friend Cammilla secretly decide to take part in the auditions for jointing M.A.R.S. Penny is fascinated by a mysterious, young singer.

Penny and Camilla find out that tey have been selected for MARS. Penny meets Sebastian but she doesn't know that he is the same guy Camilla is in love with.

Penny and Camilla enjoy a party at MARS. Penny, thanks to her friends, decides not to leave MARS., even when Miss Bauer puts her in a difficult position. Camilla is more and more in love with Sebastian.

Thanks to an acting assignment, Penny and Sebastian grow closer. When she goes with her friends to Raul's bowling alley, she finds out that is where Sebastian Lives.

It's "Parants' Day" at school and Penny is disappointed because her mother isn't there. In the meantime, she makes Lucy angry; for revenge,Lucy will make turn on Penny.

Tosca assigns a very difficult Bakia song to Penny. Looking for her mother's help, she comes home and discovers, sadly, that Bakia just left. Camilla is spending a lot of time with Sabastian.

Penny fights with Camilla because of Sebastian.

Penny fails her singing exam.

Camilla sees Penny and Sebastian kiss.

Penny and Camilla fight because of Sebastian.

Penny decides to quit M.A.R.S.

To apologize to Sebastian, Penny sings in public.

Penny makes up with Camilla.

Penny and Sebastian kiss.

During the Big One, Penny’s secret is revealed.