Miyazawa Masajiro owns and runs a pawn shop for generations. His first son is Miyazawa Kenji and his daughter is Miyazawa Toshi. Kenji is supposed to take over the pawn shop as the first son, but he refuses to take over the store. Masajiro is soft on his son. Meanwhile, Toshi is smart and wise. She gives advice to her father and her older brother. One day, Toshi gets sick.Adapted from the novel “Ginga Tetsudo no Chichi” (銀河鉄道の父) by Kadoi Yoshinobu (門井慶喜).