On the Ark of Men, the animals no longer exist and the vegetation is dying. To ensure survival, Men have made a pact with the Caticians, inhabitants of the nearby Ark, for food. J and O's friendship is severely tested when both are chosen the same year to submit to the rules of the Pact with the Caticians.

• Pierre-Marie Escourrou
• Johara Escourrou
• Dorian Escourrou