They Remain (2018)

Synopsis:

They Remain is an upcoming Hollywood horror and mystery movie which is going to release in March 2018 starring William Jackson Harper and Rebecca Henderson. Scientists Keith and Jessica, sharing a romantic history get hired by a vast company to investigate a dreadful incident that took place at cult’s remote campground. They spend days in the remote area far from the city lights investigating the incident. Soon, the revelation of a mysterious monument leads Keith to experience unusual visions and depression as he slowly starts to suffer and loses his hold on reality.