Zhang Xing, a young man from a humble family of fishmongers, dreams of pursuing success in the imperial examinations. Despite pressure from his family, he fights for the opportunity to continue his studies. By a twist of fate, he signs a contract to carry on two family lineages and receives financial support from the family, allowing him to devote himself to studying. He overcomes one challenge after another, placing second in the county examination, taking first place in the prefectural academy examination, winning the title of provincial examination champion, and ultimately earning second place in the metropolitan examination in the capital. His years of diligent study finally bring him a bright future. He also marries two well-educated and virtuous young ladies from the Zhou family. With his honest character and genuine talent, he carves out a promising path for a scholar from a humble background.