When the electric grid and Gotham's cloud computing technology get knocked out on the same night, the Metropolis High Hamsters must figure out how to deal with the city's loss of power.

Sophomores Abby, Brit, Christine, and Sasha are fed up. Hazelton High never has enough tampons or pads. The girls confront a world that shrugs or squirms at the thought of a menstruation revolution. They band together to make a change. It's no easy task, especially while grappling with everything from crushes to trig to JV track but they have each others backs. That is, until one of the girls goes rogue, testing the limits of their friendship and...

Star students Batgirl and Lois Lane both know a lab incident is fishy, and they meet later to share clues. But nothing could've prepared Batgirl for what they see next--Batgirl's dad on a date!