As you dove deeper into the sea, in the midst of an underworld of colorful fish, graceful sharks, acrobatic dolphins. The vista of marine life was a sight to behold — even for those who lived and breathed water.

Suddenly, you found yourself ensnared in a mass of seaweed, a gentle hand clamped over your mouth to prevent you from speaking.

With a whisper, he pointed upwards towards the surface, where a ship could be seen. "Humans," he spoke in a voice low enough that only you could hear.