Fan Casting ObsCure

It all starts in the early 2000s at the fictional Leafmore College,where one of the students and captain of the basketball team "Kenny Matthews" mysteriously disappears after staying up too late practicing the sport in the school gym. And the next day,a group of four students gather after school to investigate Kenny's disappearance and try to find him,but during the clandestine investigation the group gradually realizes that the situation is more serious than they thought and that the hole is much lower and from then on, everyone in the group will have to fight for their lives while trying to solve the mystery.