The Common Law on AllMovie

A wealthy man's mistress abandons her luxurious life as a kept woman to be with the struggling Paris artist she has come to love in this third version of Robert W. Chambers' novel. It all began when she agreed to be his model. Soon they fall in love, and she decides to dump her rich old sugar daddy. Unfortunately, her relationship with the artist is tempestuous, and matters aren't helped by her former lover who tries to sabotage them at every turn. Though the artist wants to marry her, the woman isn't interested because he is too Bohemian and irresponsible. Fortunately, it all turns out to be an act and thanks to pressure from his conservative American family, marital bliss ensues.