The story of six affairs of the heart, drawn from controversial feminist author Mary MacLane's 1910 syndicated article(s) by the same name, later published in book form in 1917. None of MacLane's affairs - with "the bank clerk," "the prize-fighter," "the husband of another," and so on - last, and in each of them MacLane emerges dominant. Re-enactments of the love affairs are interspersed with MacLane addressing the camera (while smoking), and talking contemplatively with her maid on the meaning and prospects of love.

Tom and Anna Gibson, along with their little boy, Buddy, form a successful vaudeville song-and-dance act and a happy family. Anna, however, is worried about her son's future when she finds him playing ball, forgetting a performance.

Sue Graham is a small town girl who wants to be a motion picture star. She wins a contract when a picture of a very pretty girl is sent to a studio instead of her picture. When she arrives in Hollywood, the mistake is discovered and she starts working in the props department of the studio instead. Her parents then come out to California and invest some money with a very shifty individual.

Two sailors who are always competing against each other set their sights on the same girl. When she chooses one over the other, their friendship ends acrimoniously. However, things change when one the men is in a submarine trapped beneath the ocean and the other, a diver, is sent down on a rescue mission.

After a jeweler hires a private detective to help him find $50,000 missing from his company, he is murdered while attending a society party; and the private eye, aided by his comely secretary, vies with a bumbling police detective to find the murderer among several suspects, including the dead man's daughter, her current husband, her former husband, and an ex-convict.

Three men in London compete for the love of a dance-hall girl.