Father, son, the lighthouse as the center of their lives. Both grow up, the son leaving every day to pursue his studies, then returning to an increasingly elderly father who welcomes him with the same warmth, taking him, as he has always done over the years, to the piano to play together.
At a lab, the three scientists are attempting to cure a mysterious creature of the unknown sick. With a series of chain reactions, the medical aid becomes emergent. In the end, through a carefully investigation, they finally find out the cause of the unknown sick but it is out of their expectation.
