The debate between angels, Poseidon and demons: Are human beings good or evil? Should they exist? How should the soul be placed after death? The positions of angels and demons are contrary to Poseidon, and neither angels nor demons can convince him.
The three made a bet, and Poseidon transformed into a little mermaid to experience the good and evil of human beings. Angels and demons also transformed into humans and went to the world, trying to make Poseidon agree to their plan.
Point of view. What to do? What does the little mermaid want?
Concept: Good and evil are not absolute