The Voice of Blood

De Stem des Bloeds, also known as Njai Siti, is a 1930 film from the Dutch East Indies. It was directed by Ph. Carli and starred Annie Krohn, Sylvain Boekebinder, Vally Lank, and Jan Kruyt. The film follows a man and his mistress who reunite after their son and step-daughter unwittingly fall in love.