Tom is a highschool senior whose sister, Pam, has been gone off to college for two years. On a visit home, Pam has a date with her former boyfriend, Rod, to try to rekindle an old romantic flame. When she comes home, she's frustrated, she finds Tom jacking off to a porn film, and she suddenly lets Tom know what she wants.
A mother, two teenage daughters, one teenage son plus 2 teenage friends of the family are abducted by a gang of motorcycle thugs. They are taken to bikers' headquarters where the women are used by the leader of the gang to raise money from the other members. The women are bound and stripped and made to perform sex acts with the bikers as well as with each other.