Floods have been destroying Mina's homeland for many years. Entire villages perish, and bloody wars are fought over the remaining resources. The people believe that the God of the Sea, who previously protected them, has turned away from the people. In an attempt to appease him, every year a beautiful maiden is sent to the sea to become the bride of the deity and put an end to suffering. Once in the kingdom of spirits, a magical city of lower gods and mythical beasts, Mina finds the God of the Sea and sees that he is immersed in an enchanted sleep. With the help of a mysterious young man named Shin, demons and mystical creatures, Mina tries to awaken him and put an end to natural disasters forever. But we must hurry! A person cannot live long in the land of spirits. And there are those who are ready to do anything to prevent the God of the Sea from waking up...