Silvia's birth leaves her doctors baffled. Once they cut the baby's umbilical cord, her cry is silent. María, her mother, attempts to ask what is going on, but she is also unable to use her voice. After running several tests, doctors discover that anything that comes into contact with the baby's skin, is no longer able to produce any sound. Later, as an adult, Silvia owns a sma... (展開全部)