At The Surisol Underwater Lab(수리솔 수중 연구소에서)

In the wake of climate change and depletion of natural resources, eco-friendly bio-fuels have become the main energy source. In Busan, Surisol Underwater Lab, which manages biomass fuels, is established. Sohila, a researcher, hears bad news from AI Surisol and goes out to conduct reconnaissance in the waters in question.