In the center of the plot of the film "The Duke of Burgundy" are two girls, one of whom has a very impressive fortune, and the other has only reached the opportunity to hold the post of a maid from a more wealthy person. Cynthia has no family, the lion's share of time devotes to a personal hobby - collecting butterflies. But the absence of dear people begins to weigh, because without intimacy, no adult can not endure for a long time. At first, hiring a maid, Cynthia planned only to get rid of the need to work around the house, but over time, the governess began to attract the mistress in a more personal way. After a short period of time, the main character forces the maid to an intimate relationship and a passionate romance flares up between the girls, overflowing with ecstasy from sexual games. Cynthia takes the role of the dominant, while the partner is not against the role of a sort of slave. However, there comes a time when passionate about each other ladies can not continue to lead such an uninhibited lifestyle. How will the heroines get out of this situation? Maybe between the girls has born deeper feelings than a simple and unquenchable thirst for sex?