Havoc

Summary: (From memory)

Two spoiled girls leave their rich suburia behind and go for a joyride through the rough East L.A. They witness the worst side of drugs, violence and gang brutality but find themselves seduced by the dark side of life.

Stuart is Allison's father, and he demands action when he believes that his daughter has been attacked by gang members, finally understanding the truth when Allison admits to what she and Emily have done to cause their own downfall.