When an ancient artifact awakens a fearsome spirit, the Ghostbusters must unite to save the world from an ice age and an army of the undead.

Amy and Mike unearth a centuries-old curse when they decide to watch an exclusive film reel. The duo must track down an infamous filmmaker and navigate a town of hungry zombies to save the world.

When a single mom and her two kids arrive in a small town, they begin to discover their connection to the original Ghostbusters and the secret legacy their grandfather left behind.