The city is filled with countless urban legends. Strange incidents that occur in the midst of these legends lead people into a labyrinth... It is the five young detective hatchlings who take on these difficult cases. Overflowing with intellectual curiosity, they make the most of their abilities. They are full of intellectual curiosity and show their abilities to the fullest as they run through the city and get to the bottom of the mystery. And what lurks behind the scenes is a professional criminal planner... Through fierce battles with the enemy and encounters with various people, they are sometimes hurt, but they gradually grow up. This is a pop youth mystery that depicts the friendship and adventures of a group of talented detectives.

Seibei Iguchi leads a difficult life as a low ranking samurai at the turn of the nineteenth century. A widower with a meager income, Seibei struggles to take care of his two daughters and senile mother. New prospects seem to open up when the beautiful Tomoe, a childhood friend, comes back into he and his daughters' life, but as the Japanese feudal system unravels, Seibei is still bound by the code of honor of the samurai and by his own sense of social precedence. How can he find a way to do what is best for those he loves?

A would-be bank robber forgets his mask on his first big heist, and then botches an attempt to shoplift a replacement mask from a nearby convenience store. The store's clerk, a washed-up rock star, chases the thief and literally runs into a Yakuza to whom he owes money. Thus begins an all-night, three-way pursuit through the streets of Tokyo.