After the death of her father in Argentina, Elza returns to Brazil to see her remaining family. When visiting her mother's grave, she steals a flower off an unknown grave and put it in her mother's. After that, she begins to receive strange phone calls, from an unknown voice that claims: "Give back my flower!". She becomes terrified and obsessed with the stranger's voice, and starts believing that it's the spirit of the deceased.
There is a war in the world between the men and the women. A young girl tries to escape this reality and comes to a hidden place where a strange unicorn lives with a family: Sister, Brother, many children and an old woman that never leaves her bed but stays in contact with the world through her radio.
During World War I, a German U-boat sinks a British ship and takes the survivors on board. After it takes a wrong turn, the submarine takes them to the unknown land of Caprona, where they find dinosaurs and neanderthals.