Seekers (2015)

Accompanied by a cameraman, the four friends Mike, Eileen, Sarah and George go into the deep forests of Poland to shoot a documentary about their hobby: Geocaching, a modern form of treasure hunting. In their search, the group finds an old abandoned hotel, where they spend the night. But the building hides a dark secret … As even a group member disappears in the middle of the night, the group experienced a night of horror. What began as a harmless trip is ending in a bloody nightmare!