The Avenging Conscience: or 'Thou Shalt Not Kill' (1914)

Thwarted by his despotic uncle from continuing his love affair, a young man turns to thoughts of murder. Experiencing a series of visions, he sees murder as a normal course of events in life and kills his uncle. Tortured by his conscience, his future sanity is uncertain as he is assailed by nightmarish visions of what he has done.