Halle Berry plays a mother with twin sons battling an evil spirit closing in on their wilderness home after a world-ending event in the trailer for Lionsgate’s Never Let Go, which dropped Thursday.

In the horror-thriller, director Alexandre Aja (The Hills Have Eyes, Crawl) has the remote house in the woods fitted with a long ropes to enable mother and sons to remain connected at all times as unseen dangers approach.

“The evil out there is clever. One touch without a rope is all it takes,” Berry’s character tells her sons at one point in the trailer, as they commit to keep tethered to the ropes for safety and connection. But as demonic forces engulf their off-the-grid house, one of the twins questions whether evil exists.

And that breaks the family bond and triggers an all-out battle for survival. “That rope is your lifeline. Never let go. Say it,...