In Silvio Amadio's Smile Before Death, familicide with a sprinkling of Oedipal love is the order of the day when teenager Nancy (Jenny Tamburi, The Suspicious Death of a Minor) returns home to discover the apparent suicide of her mother, and quickly comes to suspect that her stepfather (Silvano Tranquilli, The Bloodstained Butterfly) and his mistress (Rosalba Neri, The French Sex Murders) are to blame.