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.

When the world is under attack from terrifying creatures who hunt their human prey by sound, 16-year old Ally Andrews (Kiernan Shipka), who lost her hearing at 13, and her family seek refuge in a remote haven.

Evelyn and her oblivious son Ziggy seek out replacements for each other as Evelyn desperately tries to parent an unassuming teenager at her shelter, while Ziggy fumbles through his pursuit of a brilliant young woman at school.