During the summer months in the Sea of Japan, surface temperatures reach 30º Celsius, and marine life flourishes. Along the shore, young fish born in the spring pursue food to sustain their growth, battling fierce competition to survive. Offshore, migratory species such as yellowtail amberjack ride the Tsushima Current north into the sea. Summer is also a precious season for people who live with the sea, for it generously welcomes them into its waters. Female divers known as ama maintain a 400-year old practice of free diving for shellfish. The program explores the life that flourishes in the Sea of Japan in summer.