Some students gets locked up in their school and is stalked by a killer. But as time goes by, it turns out that there is more to this than it seems.Some students gets locked up in their school and is stalked by a killer. But as time goes by, it turns out that there is more to this than it seems.Some students gets locked up in their school and is stalked by a killer. But as time goes by, it turns out that there is more to this than it seems.