On an alien world, a colony of humans has evolved to reproduce with one mother and many fathers. After delaying for years, one young woman finally chooses three fathers for her baby, but her desire for freedom draws her into the orbit of the post-human anthropologists who have come from the stars to study this quaint biological mating ritual.

In a future society of solely women who have found ways to reproduce and survive after a devastating plague, a young couple and their eldest daughter encounter four human males from Earth, and they anticipate the impending end of their matriarchal society.

In an austere farmstead on the distant planet O, two lovers must find a way to fool their fellow citizens and satisfy a complicated series of marriage rites so that their forbidden love may last forever.

A professor who studies sexual selection tries to justify his own failed marriage with the flawed mating selection of female fruit flies.

A complex web of human relationships is presented in the form of an algebraic expression.

When a successful economist and a financial consultant in happy marriages engage in an affair, they are forced to navigate through their complex motivations and desires, their incompatibility with each other, and the potential end to their relationship.

When a married couple announces that they are getting a divorce, their best friends who are also a couple are forced to confront what this configuration means for their social life.

After subconsciously imagining getting a divorce from his wife, a man examines his marriage and tries to convince himself that he still loves his family enough to stay with them.

Three men in a bar find themselves talking about the kind of woman they'd like to spend their lives with, and discuss indulgent sexual encounters versus the comfort of a steady, solid marriage.

A Chinese man adopts the daughter of a deceased close friend. As she turns 23, he is determined to find her a husband. When the man she marries is revealed to be gay, their marriage stirs outrage and dismay, upending traditional Chinese conservative perspectives on gender norms, marriage, and sexuality.