In this book, Plutarch describes the paradoxical story of Thespesius, a man who died, but after three days his soul returned to his body and he came back to life, in order to reveal to us the unknown functions of our soul and the invisible world.

- Where does our soul go when we die, and where does it come from when we are born.
- What is Pompholyx and how is it connected to the process of releasing the soul from our material body.
- What are morphogenetic fields and how do they affect our reincarnations.
- How is the union with the daimon or higher self achieved.
- How does the eye of the soul open and what does it see.
- What happens during death.
- What is the role of Adrastea and how is it related to the colors of souls.
- How do Penalty, Justice, and Erinys intervene in our lives.
- How is ancient Greek alchemy connected to the three lakes of soul repair.
- What is the worst thing that could happen during our evolutionary journey.
- How and why does our soul return to earth again.
- How could we finally break the cycle of reincarnations.