None.

A man tells two other men about having been bullied.

A man is shot, and falls on the ground.

A boy attacks someone unseen with a baseball bat and hits the camera.

There is an explosion near the end.

There are multiple instances of swearing and call-names throughout, however, actors only silenced the F-word by not saying that word loudly.

None.

What makes this short film disturbing is the fact it was made by two boys at Columbine High School, considering what these boys did at the school only months later.