Son Of Ingagi

A wealthy old woman leaves her dark mansion and fortune to newlyweds Robert and Eleanor Lindsay. Years ago, Dr. Jackson, in love with Eleanor's father, failed to win his affections. N'Gina, an ape-man, drinks a potion but ends up killing Dr. Jackson instead of her. She also kills the gold-hunting attorney, Bradshaw. Zeno, her ex-convict brother, finds the hidden gold but is killed by N'Gina. Detective Nelson investigates.