Season 4

Following the death of his mentor, Yamato Construction chairman Yamato Ryunosuke, and tired of the Japanese corporate system, Kintaro leaves the salary man life. He returns to his hometown and becomes a fisherman. There he lives peacefully with his wife Masumi and their two children. Then an unexpected visitor arrives. It is Ryunosuke's younger cousin, Momotaro Shimazu. Momotaro puts a strange request to Kintaro - come back to Yamato Construction and work with Ryunosuke's son Ryuhei to rid it of its current management. Current Yamato president Takatsukasa has given in to pressure from ex-bureaucrat Enjoji and is about to become his accomplice in a shady scheme. Kintaro's sense of honor is rekindled.