The Avenging Conscience: or “Thou Shalt Not Kill” is a 1914 silent horror drama film directed by D. W. Griffith. The film is based on the Edgar Allan Poe short story “The Tell-Tale Heart” and the poem “Annabel Lee”.

Plot:
A young man (Henry B. Walthall) falls in love with a beautiful woman (Blanche Sweet), but is prevented by his uncle (Spottiswoode Aitken) from pursuing her. Tormented by visions of death and suffering and deciding that murder is the way of things, the young man kills his uncle and builds a wall to hide the body.