Celestial Blood is a bilingual radionovela about love and mystery that crosses borders. Narrated by Mexican actress Kate del Castillo, it follows the story of twin sister and brother Sol and Mundo, from Queens, New York. When they travel to Mexico to attend the funeral of their estranged father, they find out they have nine siblings they did not know about. All of them named after celestial bodies, like themselves. As Sol and Mundo travel across the United States and Latin America searching for their brothers and sisters, they learn hidden secrets about their father, and themselves.