奸师之旅（1975）

奸师之旅的简介…

　　A pretty young teacher and four of her pretty students take a minibus to some Navajo ruins, little suspecting another kind of ruin awaits. A trio of bikers begin to flirt with the gals, and when their bus breaks down, they helpfully tow the vehicle to a deserted shack. The chief biker, Al, chews up the scenery, kills folks, and rips off the teacher's clothes before raping her. ...