The Dutch fertility doctor Jan Karbaat was considered a progressive pioneer in the '70s and '80s, but when his patients started talking to each other, the suspicion grew that Karbaat had inseminated with his own sperm in several cases.

An investigation of nature vs nurture, the desire for immortality, and moral questions about anonymous donorship.

Fertility doctor Jan Karbaat is found guilty of inseminating women with his own semen. In addition, he used semen from multiple donors too frequently, including that of Louis, an autistic Surinamese.