Zed and Addison are back at Seabrook High, where, after a groundbreaking semester, they continue to steer both their school and community toward unity. But the arrival of a new group of outsiders – mysterious werewolves – threatens to shake up the newfound peace and causes a rift in Zed and Addison’s budding romance.

Ever since she was a little girl, Iris has wanted to be a filmmaker. For the last five years though, she's been trapped working in reality television, directing episodes for a series that's barely able to compete with Ghost Hunters. Iris sees her big chance to prove herself when gets sent on assignment to her hometown of Black Falls, a small town harboring an abandoned insane asylum that has a dark history of excessive shock therapy. Filming inside the asylum brings back childhood memories for Iris, memories of sneaking into the asylum with her friends to shoot homemade horror movies. Little does Iris know, her life is about to imitate her art.

Zed and Addison are beginning their final year at Seabrook High in the town that’s become a safe haven for monsters and humans alike. Zed is anticipating an athletic scholarship that will make him the first Zombie to attend college, while Addison is gearing up for Seabrook’s first international cheer-off competition. Then suddenly, extraterrestrial beings appear around Seabrook, provoking something other than friendly competition.