Lightning Entertainment has acquired international sales on the dramatic thriller directed starring Adrian Grenier and Gaby Hoffman.

Denis Hennelly directs the story of a couple living off the grid whose relationship is challenged when a swarm of old friends and acquaintances come knocking on their door after an apocalyptic cyber attack.

Rounding out the cast are Ben McKenzie and Caroline Dhavernas.

“We’re thrilled to introduce Goodbye World to buyers for the first time in Cannes and are confident the film will captivate them as it did us the first time we saw it,” said Lightning sales and acquisitions consultant Richard S Guardian. “This is a film and a story that audiences will seek out anywhere in the world.”

Lightning Entertainment evp and general manager Ken DuBow announced the acquisition after svp Joseph Dickstein negotiated the deal with producer Matthew Zamias.

Lightning’s sales slate include horror-thrillers Indigenous and Dark House, as well as The Pack and Ask Me Anything.