QAnyone who is unaware of the twists and turns of the past cannot objectively claim to understand the plots of the present, since the latter is nothing other than the son of the former. A long, very long time ago, no doubt at the genesis of our humanity, an unprecedented blood crime shook humanity, shocked and terrorized consciences with its ignominy, its brutality and misunderstanding. Making him the father of all crimes and murders between men on the earth.
The story takes place within a family. Two brothers quarrel and one ends up being murdered. Most religions have evoked it and only one civilization has immortalized it.