The Sixth Commandment dramatizes the real-life murder of retired teacher, inspirational university lecturer and novelist Peter Farquhar (Timothy Spall) and the death of his neighbor Ann Moore-Martin (Last Tango in Halifax star Anne Reid).
Both were deeply religious but fell in love with charismatic student Ben Field (Normal People star Éanna Hardwicke), who drugged and murdered Peter and preyed on Ann for her cash.
