From Amazon.com

Big-hearted volunteer worker by day, unruly rocker by night, Rylie is one of the most-liked residents in the small island-town of Buffalora. When she sets her sights on Naomi, the new girl in town, love is definitely in the air. Unfortunately for Rylie, so is a storm, the kind in which nothing good ever happens... Suddenly everyone aged 23 and older dies and quickly rises from the dead! These flesh-craving zombies seek out the last remnants of youth and hope for society. With death in the air and love on their minds, Rylie and Naomi must make their way through the vast swamplands to salvation...