Ishigaki Island, famous nationwide for its hot sauce, has ushered in the most extraordinary summer. A bridge is about to be built on the island, but colleagues who provide convenient transportation and stimulate local economic development will inevitably cause damage to the coral reefs around the island. Different positions and goals divided the islanders into two factions. They engaged in a heated debate, but no one could convince the other that the bridge construction plan was at a deadlock. At this time, Taka Yajima (played by Takashi Akiyuki), the nature conservation officer of the Ministry of the Environment, came to the island. He naturally strongly opposed the construction of the bridge and even proposed to establish a "coral guard." Yajima's remarks have been supported by the opposition, but will also be hated by the supporters. In the days that followed, Yajima joined forces with young people who loved small islands and beautiful nature to defend the natural landscape that Ishigaki Island is most proud of. Their path of protection will never be smooth...
