A boy walks down the street. Another boys sits ans waits for him. A bystander is about to walk into a building.
One boy confronts the other and he is getting more and more aggressive. the bystander sees that the one boy is defenseless but ignores it. It escalates to one boy attacking the other. The bystander ignores the fight and quickly makes their way inside.
The boy is left alone and hurt. The bully walks away.
We see the boy confront the other again (3 second)
The bystander goes to check on the boy and make sure he is okay. (3 seconds)