Charli heads back into the studio to improve her single, but a new guy friend distracts her attention. As Dixie prepares for her album release and tour, her physical and mental health suffer as her and Noah consider a summer apart.

As Charli and her new guy friend face harsh rumors, she makes some exciting moves as she turns 18—both in her love life and with her music. Dixie prepares for her album launch and live performance, but anxiety threatens two years of hard work.

Mysterious tensions are brewing within family dynamic. With Dixie in her single era, Charli and Landon search for a suitable suitor, but Dixie struggles with a new mental health diagnosis that could derail all her relationships.