A team of deep-sea explorers, driven by curiosity and a desire for discovery, stumbles upon an ancient underwater cathedral hidden within a massive coral reef. The cathedral is a marvel of engineering, adorned with glowing bioluminescent carvings that seem to tell a story. As they decipher the carvings, the explorers realize the engravings are eerily prophetic, revealing deeply personal details about their pasts and predicting pivotal moments in their futures.