The plot follows the life of Privier, an astronomer who from a very young age was interested in life after death and theories about reincarnation. In his adulthood, he decides to focus on this enigma that led him to discover that he has two special abilities, one is to connect with spirits and the other is to access memories of past lives at particular times. In this way, Privier will try to answer what happens to the soul and memories of the human being after his death, a question that haunted him throughout his life.

A teacher arrives at a humble school in the Buenos Aires suburbs to serve as a substitute. There he meets Sofía, a gifted 7-year-old girl.