Kelly is an electronic forró singer in search of ascension. She does shows in the backlands of Brazil, but does not have many opportunities. For her career to become a success, she ends up killing some people along the way. Investigated for the murder of three men, she uses her itinerant presentations as an escape tool as she becomes known as Serial Kelly.
Été 1996, dans le petit village de Garça Torta, au cœur du Nordeste Brésilien, Tamara profite de ses dernières vacances avant d’entrer en classe préparatoire universitaire. Un jour, elle entend parler d’une fille surnommée “Sans Cœur” en raison de la cicatrice qui traverse sa poitrine. Tamara va ressentir une attirance immédiate pour cette mystérieuse fille, qui va grandir tout au long de l’été…