At the beginning of the 21st century a man decides to take Knight and with his Squire, a teacher in unemployment and without a future, starts a journey of adventures to free animals from cruelty of men that captives have them on farms, kills them in slaughterhouses, torture them in the "scientific" laboratories and parties, etc. to use their bodies, their eggs and milk as human food.
The book exposes geniuses such as Plutarch, Ovid, Bernard Shaw, Edison have defended the right to life and the freedom of animals and speaks of Jains who respect the animals by practicing ahimsa. Also talk about the relationship between meat consumption and ecology, the depletion of water reserves, hunger in the world, etc