The tale of two fragile vampires, Adam and Eve. Both are cultured intellectuals with an all-embracing passion for music, literature and science. They have evolved to a level where they no longer kill to live, but still retain their innate wildness. Their love story has endured several centuries, but their debauched idyll is threatened by the uninvited arrival of Eve's carefree little sister Ava, who hasn't yet learned to tame her wilder instincts.