Heather Miller is the main protagonist of the 2013 horror film Texas Chainsaw 3D, an installment in The Texas Chainsaw Massacre film series. She is a long lost cousin of the series' antagonist Leatherface, and during the climax of the film briefly becomes a damsel when kidnapped by the film's villains in order to lure her cousin.
Near the end of the climax she is kidnapped by Deputy Carl Hartman and taken to an abandoned slaughterhouse, where he finds her by her twists and gags her with duct tape, which he does to lure her cousin Leatherface to be killed. Leatherface appears and is close to killing Heather, but discovers that she is his cousin. Leatherface then cuts her free, but is attacked by Carl and his friend Ollie. Heather manages to toss Leatherface his chainsaw, and he then murders the pair of them.