When Valeria was a little girl, she never understood why people called her by a name that was not her own. The same thing happened to Cristina, by then misnamed “Joselito”, who had to survive a violent and cruel childhood under the Spain of the sixties. Two women who were born in very different times but who, by chance or by destiny, end up united forever, when Valeria, a journalism student, decides to write a book about the life of the iconic Cristina, La Veneno.