A physician launches his own investigation into a gang of opium traffickers, while a mother who lost her son to the drug vows revenge against those who led him into that world.
Carmen Montejo
Carmen
Fernando Fernández
Dr. Ernesto Peralta
Rodolfo Landa
Fernando Mariles
Lilia Prado
Mercedes, la güera
Dalia Íñiguez
Matilde
José María Linares Rivas
Don Felipe Morales
Rafael Alcayde
El alacrán
Olga Guillot
La mulata
