In the near future, a groundbreaking discovery of highly intelligent octopuses promises unprecedented advances in extrahuman intelligence and sparks a global race for dominance. Marine biologist Dr. Ha Nguyen joins a secluded research installation on Con Dao Archipelago, run by AI corporation DIANIMA. Amidst her attempts to communicate with the sentient cephalopods, corporate interests and ethical dilemmas clash, raising questions about consciousness and humankind's relationship with the natural world. As the story unfolds, it becomes clear that the octopuses may have their own agenda, hinting at mysteries beneath the waves that could change everything.