A romantic drama centered on the love triangle between rising poet Friedrich Schiller and two aristocratic sisters. Starting in 1788, rebellious poet Schiller and two penniless sisters experience an unforgettable period which will eventually bind them forever. Unhappily married Caroline von Beulwitz and her shy sister Charlotte von Lengefeld take their oath to share everything - even the author of 'The Robbers' - seriously. Schiller marries Charlotte so they may pursue their manage a trois under the guise of convention, and Caroline, whose novel is published anonymously by Schiller, leaves her husband. The fragile equilibrium of their love triangle becomes unhinged when she gets pregnant but Schiller is determined to fight for both sisters.