Hunter Yee has perfect aim with a bow and arrow, but all else in his life veers wrong. He's sick of being haunted by his family's past mistakes. The only things keeping him from running away are his little brother, a supernatural wind, and the bewitching girl at his new high school. Luna Chang dreads the future. Graduation looms ahead, and her parents' expectations are stifling. When she begins to break the rules, she finds her life upended by the strange new boy in her class, the arrival of unearthly fireflies, and an ominous crack spreading across the town of Fairbridge. As Hunter and Luna navigate their families' enmity and secrets, everything around them begins to fall apart. All they can depend on is their love... but time is running out, and fate will have its way.