Carole & Tuesday have made it into the semifinals. The following week, the third and fourth rounds of Mars' Brightest take place. Awaiting her turn, Cybelle pesters Tuesday with questions about her hairstyle and suggests that they team up. Carole is irritated that Tuesday can't get rid of her. Cybelle's opponent in the fourth round is Angela.

The remaining contestants of Mars' Brightest are Carole & Tuesday, GGK, Pyotr, and Angela. Ertegun joins the proceedings as a monthly judge, and the semifinals begin. The first round is GGK vs. Angela. After seeing GGK's amazing performance, Tao visits Angela's dressing room and issues a certain order, which Angela accepts. Meanwhile, Cybelle appears before Tuesday to bid her farewell.

Tuesday is left with a burn on her right hand after opening an anonymous birthday present left in the girls' changing room. On stage, Pyotr fires up the audience with an amazing semifinals performance, and Carole & Tuesday know that it will soon be their turn. Gus runs around looking for the culprit, but meanwhile, Tuesday is unable to play her guitar. Eventually, Carole & Tuesday are called onto the stage...