This is an autobiographical account of the author's experiences in a remote Venezuelan town renowned for its sorcerers and mediums. Here Florinda worked as the assistant of Dona Mercedes, an old healer, witnessing the power of true healing, and leading to their mutual self-discovery.

This is the extraordinary account of Donner-Grau's experiences with doña Mercedes, an aged healer in a remote Venezuelan town known for its spiritualists, sorcerers, and mediums.