Victoria Vetri, who has also acted under the name of Ahna Capri, stars in Group Marriage. The plot is inherent in the title of this combination sex farce and social satire. Six affluent young couples decide to live together for economy's sake. They also decide to exchange mates now and then, just to remain up-to-date with contemporary mores. Soon, however, all 12 participants realize that monogamy has its charms, too. Featured in the cast of Group Marriage is the late, great Claudia Jennings, whose ample physical attributes are shown to excellent advantage. The film also stars comedian Milt Kamen.