St. Petersburg High school juniors Dicey Bell, a baseball star, and Jack Chen, who loves science and role-playing, discover a mutual attraction when paired for a school project, but on their first date, a zombie-producing fungus sends them on the run.
When Maria meets the new boy at her high school, Tom Stone, the two feel a connection, but Maria finds it hard to get to know Tom, the son of Persephone Falls, Alaska's new funeral director. After learning that Tom is not Franklin Stone's real son and that the family is into recycling in a new way, Maria finds herself having to fight to keep her new boyfriend.
Vanessa Shingle drags her best friend Stork on a nighttime mission to learn more about an attractive janitor named Jean-Paul McClellan, but after she witnesses something unexpected and her little New Mexico town becomes overrun by vampires, Vanessa wonders whether Jean-Paul is one of them.
High school student Bethany Farmer is swept off her feet by foreign exchange student Allein Atwood, but when savage creatures are set loose in suburbia to hunt him down, Bethany's entire town turns upside down.
The renovation of Nora's old Victorian house unearths a teenaged poltergeist who falls in love with Nora, causing more ghosts to appear and Nora's parents to become quite unhappy.