Jack Frost. The end becomes the beginning.

Rebel.
Troublemaker.
Loner.
Hardly the stuff of heroes. But the greatest of heroes are often those you least suspect. There's so much more to all of us, and so it is with Jack Frost.
Many years-and one epic battle-have passed since we last saw our Guardians. The battle left Pitch imprisoned, but it also left one of the Guardians forever changed. Nightlight, once Katherine's closest companion, has transformed into Jackson Overland Frost-Jack Frost.
But transformation can take time-decades even-and much can happen in between: world wars. The Great Depression. And worse: a greater evil lies in wait.
All the Guardians can feel it, but it is Jack who feels it the most. And it is Jack who is the only one who can stop it... but to do so, he must tell his story-the final story in the Guardians' saga: the story of how he became...Jack Frost.