After running an antiquarian bookshop for 35 years, Kyosuke and Chiseko decide to close down their shop due to the pandemic-induced recession. The elderly couple continues their daily routine even as they prepare for the closure. Kyosuke continues filling in the shelves with a new selection of old books stored in a rented warehouse. Chiseko starts managing an online shop, while Yuki, a staff member, decides to open her own bookshop. POLAN portrays how all three relate to the customers through the books they sell.