Shigeharu Honda is a Nippon Leauge batter on the rise. His son Goro is a Little League pitcher who one day hopes to follow in his father's footsteps. Momoko Hoshino, Goro's schoolteacher, is the first woman Shigeharu has been interested in since the death of Goro's mother. The destinies of these three individuals will become intertwined as father and son experience both heartbreak and triumph on the baseball diamond. But when an unspeakable tragedy visits the family, it will take everything they have to pick up the pieces and reclaim their dreams.

[Source: Anime News Network]

This series picks up a few years after season one. Gorou is now older, and has come back to his original home town. As if nothing changed, he starts off right where he left with his old friends and tries to fit back in. Join him as his embarks on setting out to join up with the elite baseball school, Kaido.

After leaving Kaido in a promise to meet them at the Koshien tournament, Gorou comes back to his home town once again in an attempt to join up with his old friends. Only this time, things aren't as easy to get back in the groove of.

After the final game of his Seishuu team against the goal he set himself, Kaidou—the team he left to play against, Gorou has no feelings of remorse anymore. Again he decides to take a step forward and challenge himself.

Saying one more time good bye to Shimizu and his friends, he leaves for the USA, where he plans on competing in the Minor League.

This is where Season 4 starts, in a country that's foreign to him, a baseball style that's unknown to him and new friends and strong rivals who share the same love to the game as him. Accompany Gorou in his never-ending quest for new challenges.

[Source: AniDB]

Goro briefly returns to Japan after a triumphant campaign in the US. He is heading towards Fukuoka where he played baseball when he was a fifth grader. Having just moved into a new town, this is where Goro faced a critical point in his life.

[Source: Anime News Network]

After the baseball season was over, Gorou returned to Japan. There he learned from Toshi that there is going to be a Baseball World Cup the following year hosted in America.

[Source: AniDB]

The sixth season begins after the "Baseball World Cup" has ended. Gorou regained his passion for baseball in Japan thanks to his friends, and left to join the Hornets baseball team in preparation to the new season. When he arrives in America he starts to celebrate his role as a Major League pitcher at last! Gorou's family and friends gathers in groups in Japan to watch Gorou's debut in the Major League. However, Gorou's debut is the beginning of a line of surprising happenings, that has an outcome no one expected...

Thirteen years have passed. Following an injury that put Gorou's career as a pitcher into a standstill, he prepares to restart his baseball career as a fielder. His family struggles with his decisions, especially his daughter Izumi, who doesn't know enough about her father to understand why he is so absent from their lives. Gorou will stop at nothing until he's in the game once again; everything is now for the sake of the only gift he has to offer his children: Baseball.

Goro is determined to help the Indiana Hornets win the World Series against the Texas Raiders. In Game 6 a ball flies at his head, a ball similar to the same shot that killed his dad, from Gibson Junior. The Hornets go on to lose Game 6, setting up a decisive Game 7. Goro must try to convince his coach and his teammates that he can play despite the risk of a concussion. At the same time Shigeno goes into labor with her and Goro's first child, a little baby girl. Shigeno hides this information from Goro hoping he can play in Game 7 and become the best in the world, but the rest of her family questions the decision, knowing Goro's stubborn streak.

[Source: Anime News Network]

Daigo is born as the son of Gorou, a father who is too great. What path will Daigo, who is burdened with great expectations, take in baseball?

[Source: Anime News Network]