When they were children, Sergio and Teresa, brother and sister, made a promise to never leave each other. They grow up, and their unusual love becomes stronger. But she has inherited the mental disease that led her mother to suici...
Directed bySergio Véjar
Written bySergio Véjar, Raúl de Anda
CountryMexico
Runtime95 min
On screen
Fernando Allende
Ana Martín
Pedro Armendáriz Jr.