This drama focuses on the fireworks industry, which is suffering from a decline in events due to the coronavirus pandemic. "Mochizuki Fireworks Store" is a fireworks store that has been running for generations. Mochizuki Kou is the fourth generation owner who passes away at the age of 80, leaving his son Seitaro alone and at a loss for words. Few months later, Kou, who was supposed to be dead, appears in front of Seitaro as if he is still alive. This is a heartwarming fantasy, depicting the mysterious daily life of the father and son fireworks masters.