At the turn of the 20th century, a German doctor sets out to prove that homosexuality is rooted in biology—but his research has consequences he never intended.

In pre-Nazi Germany, a doctor named Magnus Hirschfeld sets out to take down Paragraph 175, a law against “unnatural fornication” between men. Hirschfeld’s plan is to scientifically prove that homosexuality is natural, and that lesbians and gay men might be born gay—but his idea ends up falling into the wrong hands. 

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