Blackwood (2019)

From Publishers Marketplace:

Blackwood, a haunted tale rising out of a vine-covered valley, where a woman and twin boys have gone missing, and a man with his own twisted past struggles to untangle their shocking disappearances, while a trio of mysterious vagabonds linger on the outskirts of the Mississippi town where ghostly whispers fill the night.

Coming in 2019. More details will be available soon.