Domestic tragedy in rural setting. On the morning after she announces her engagement Agatha Rainsbury is found poisoned in her room. Suspicion points to her step-father who uses poison on his pansies and to his daughter Lola who would inherit the property after Agatha's death that her mother left solely to her. But the stepfather had confessed to Agatha the existence of a bastard son in a nearby town and she visited him and his mother that day, telling them the property was hers. Revenge is out ... (PB)