Raised on the deliciously sour milk of film noir, screenwriter Hilary Henkin is one of the vaunted few female writers to break into the exclusively male world of hard-boiled but heady action-adventure and to venture fearlessly into the moral labyrinths of villainy and violence. A script for Warner Bros. called "Free Fall" ("a very violent piece"), about three astronauts who nearly die in space and return to find their previous lives have disappeared, didn't get filmed but made her a reputation. Early pictures "Fatal Beauty" (1987) and "Road House" (1989) met with little success, but Henkin