A new doctor has just arrived at a nursing home, where he meets a patient tormented by a past which he cannot remember. This doctor will help him do it, without anticipating the consequences.

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.

Passion, criminal instincts and traditions melt together in this film that shakes our understanding of crime.