In a gritty New York City, a timid dressmaker named Thana faces a violent encounter with a predator that leaves her shaken. But her ordeal only begins to unfold as she returns home, where she must confront even more unspeakable terrors. The traumatic events take a devastating toll on Thana, and she finds solace only in her desire for revenge. As she undergoes a radical transformation, she becomes a force to be reckoned with, using her compact Star Model BM semi-automatic pistol to exact vengeance on any man who crosses her path.