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 movie producer offers a nightclub singer a role in his latest film, but all he really wants to do is bed her. She knows, but accepts anyway. Meanwhile, a patron at the club gets a note saying that she'll soon get another note, and that she will be killed ten minutes after that.
With a series of long takes and frontal camera set-ups, Michaeux provides a record of several cabaret acts, using intertitles to separate the individual numbers. This quietly outrageous film begins with the high-toned Heywood Choir singing "Watermelon time" and concludes with Amon David playing a preacher using heavy blackface. Amon Davus was known as "the Back Biting Comedian, Par Excellence", and his sermon is one of Michaeux's many notable send-ups of the clergy.
Mary Jane is a girl born out of wedlock whose mother, Alice, attempts to offer her respectability by marrying a wealthy old colonel. As a young adult, Mary Jane meets and falls in love with reclusive writer Walter Butler. They are about to marry when he is revealed to be her natural father.