After failing his university entrance exam, Yuki Hirano sets his eyes on the role of a forestry trainee. Setting off for training he doubts his decision many times, but eventually after passing the training course, he is sent to Kamusari Village for a year of work experience - where he becomes assimilated with the beauty of nature and the warm-hearted people of the village.
Majime, an eccentric man in publishing company, who has unique ability of words, joins the team that will compile a new dictionary, The Great Passage. In the eclectic team, he becomes immersed in the world of dictionaries. But the team is overwhelmed with problems.
In Mahoro, the fictional suburb of Tokyo, Tada works as a general problem solver for hire. One day, former classmate Gyoten appears unannounced. Both men are over 30 years old and divorced. With no explanation, Gyoten suddenly asks to spend the night at Tada's home. Eventually, Tada accepts Gyoten as his assistant and together they become involved in various cases concerning an assortment of people from different walks of life.
