France, beginning of World War II. Hélène Studler is a nun who has been dedicated to the care of orphans and the abandoned people. But the times have changed, the people are living a whole revolt, the Germansoldiers have entered their city and the reality that now faces far exceeds the harshness to which they are accustomed: Hélène discovers that near her locality, the Nazis have installed a concentration camp. Along with some people of the city, several of her Sisters Daughters of Charity plot a whole plan to free the captives from their tragic end.

The inspiring story of the beginnings of the Sister Servants of Mary, a religious order that was founded in Madrid, Spain in 1851 by Fr. Miguel Martinez and Sister Maria Soledad who guided it in its development and expansion until her death in 1887.