Naomi, a light-skinned Black child, is abandoned by her mother and raised by the virtuous Mrs. Saunders. When the girl's fixation with whiteness turns her against her own race, she is sent to a convent. Hopelessly in love with her adoptive brother Jimmie, Naomi consents to marry his friend, but is repulsed by his darker skin and unrefined ways.
A sailor, known as the Adventurer, searching for a lost American explorer discovers him being held hostage on a remote island in the South Sea. The man is held captive by the island's natives, who have placed him under a voodoo spell known as "obeah.
