A sixty year old woman is brutally attacked and left almost dead in the street in broad daylight. His fingers were broken to make him confess something ... but she refuses to say what. It's just something binds to a murder that took place a week earlier in similar circumstances. Grenier, an obstetrician who worked with inmates was also tortured. The puzzle is completed as and as Falco and his crew discover the key elements. A women's prison. Birth under X. detained victims of lies ... and a killer in search of a child that her mother would have never wanted to give up.