The plot of this drama revolves around the declining fireworks industry, heavily impacted by the coronavirus pandemic. The Mochizuki Fireworks Store, a multi-generational business, is among those struggling to survive. Seitaro, the son of the store's fourth-generation owner, Kou, finds himself at a loss after his father's passing at the age of 80. Months later, Seitaro is surprised to see his father, who was supposed to be dead, appear before him as if nothing happened. As the story unfolds, it becomes a heartwarming and fantastical journey, showcasing the mysterious daily life of the father and son fireworks masters.