Snow hits Shuggazoom City and it brings up not only endless questions from Gibson, but weird behavior from Nova. She won't go in the cold and a snowball to the head gets her so flustered, her body temperature alone can melt the snow. When the Hyperforce realizes there are other forces at work, they go beneath the surface to get to the source of the freeze. Haunted by memories of her past, the yellow monkey tries to keep her cool. But when the rest of the team is frozen solid, it's the last straw for Nova, and it's time to see just how powerful one monkey's temper can be...