Alice is suffering from the upcoming marriage of her older sister Manon as they've shared a unique togetherness since their childhood.

Young and beautiful, Nevada Smith craves to find a place for herself in a family of overachievers. Her mother is running for political office, her father is a successful dentist and her older sister is working overseas.

Maria has worked as a prostitute since her mother died 15 years ago. Her younger sister Catarina is now a shy 17-year old, devoted to art and music, and the lover of her elder sibling, who allows her to leave the apartment only to...

Dianas marriage has ended in divorce, so she goes to stay for a while with her younger sister Martha, whom she hasnt seen in ages. However, Diana is actually there to try to rekindle the passionate incestuous relationship that she and her sister once had until Martha decided to end it and leave Diana for good. Diana accepted it at the time, but after she got married she realized she could never love anyone like she loves Martha and she will never be happy without her. But Martha is now married to a wealthy older man and enjoys her Diana-free married life, although she does cheat on her husband occasionally--but he doesnt mind. Diana, mad with longing and lust for her sister, tries everything to convince her to come back to her, but Martha would rather die.

A female artist is having an affair with a married man. He won't leave his wife, so she decides to meet her. However, she ends up liking and seducing the introvert wife, so they enter a ménage à trois. The wife explores her lesbia...

A sexually frustrated woman, living with her sister and the latter's husband, is tormented by bizarre nightmares and violent erotic fantasies.

Two sisters separated in childhood reunite years later as servants at a household in France. Their happiness to be reunited spirals into an incestuous relationship.