Each of us is born into the world to fulfill a mission. Most often, these are ordinary everyday affairs at the philistine level, of which we are not even aware, but we are fulfilling, global missions are given to units. The heroine of the game Underwater Mission - a mermaid named Virginia knows exactly what she has to do. She must find the ancient family treasure, which was stolen by sailors. The sea god punished the thieves, their ship crashed into reefs and crashed, and all that was drowned on it, including the treasure. The mermaid intends to rummage through the seabed until she finds what she needs, and you help her.