You know the protocol. You've completed countless drills. Your go-bag is waiting by the door. Yet nothing can truly prepare you for what’s coming. No one is ever ready for zombie season...

It's a hard time to be in California. Every scorching summer brings the predictable disaster. Towns evacuated. Property destroyed. Lives on the line. Because every summer, catastrophe begins in the woods.

Every summer, zombie season arrives.

But when the adults refuse to accept that the zombies are growing faster and stronger, it's up to three kids to find a way to sound the alarm: this year's zombie season is very, very different. Something has changed, and time is running out to stop it...