Polly tries to convince her parents that she's got everything under control.

When Polly discovers her mom used to be great at roller derby, she pushes her to try it again, but by reigniting her mom's passion for the dangerous sport, Polly may have made a big mistake.

Polly and family go on a camping trip, and when Polly and Mom investigate the woods, they discover a tiny horse who is seemingly lost from its family; soon, Polly realizes the small horse isn't a horse at all, it's a unicorn.

When Bella finds herself in over her head at Camp Kerpow, she calls on Polly and Shani, and a little tiny power, to help her solve her big problem.

Polly, Lila, and Shani meet Francis, a Tooth Fairy-in-Training who's in danger of losing her wings if she can't complete her teeth collection assignments by morning; Francis uses her magic to give the girls wings.

When Polly attempts to help Pierce win a pizza-selling competition, she accidentally gets trapped in a box and learns that sometimes it's okay to let others help you.