In an island, a young couple, Violet and Peter, offers a sex swap with fellow guest Olivia, a hot lesbian. What starts as a mutually-beneficial deal turns rough and tumble when Peter demands more than what he bargained for.
A young couple's sex acts are witnessed by a young man through a hole in the wall. When the wife seduces him, they engage in an illicit affair. Chaos ensues when the husband learns about them.
99 Moons homes in on two characters united by feelings bordering on obsession. There’s Bigna, a researcher specialising in tsunamis who’s almost thirty and on the point of relocating to Chile for work reasons, and thirty-three-year-old Frank, who will shake up her convictions to the point she decides to stay.
A nurse who suffers from lack of intimacy with her husband is assigned to work at an island called Isla Bato, where men treat women with lust. As she experiences the people's madness, she plans a way to get out of the island.