Everyone slips up - Even youtubers, I know surprising, right

After Dahlia High School's mean girl dares a group of socially awkward teens to visit an infamous woods where nine students have gone missing, things take an unexpected turn. A person with a china doll mask is roaming the woods, and everyone is receiving threats from a dead person's phone number. Nobody is safe in Dahlia. Secrets always have a way of getting out, and somebody is using them to fuel their agenda. Will they discover the identity of their tormenter before it's too late?