Hirohiro Nikawa (Keiko Kitagawa) works as a chef in the nursery garden and lives a happy life with her husband Keigo (Kimotoshi Takahashi) and daughter Hirohiro (Sakoma Ishihara). However, on Ding's third birthday, Hirohiro went to buy Ding the pizza she wanted the most.At the celebration that night, Deng suddenly felt extremely painful after taking a bite of pizza and was rushed to the hospital for trance.The cause of death is allergic shock caused by prawns.Honghai, who is very careful about his daughter's allergies on weekdays, also confirmed the food label before purchasing and confirmed that there was no shrimp. After some investigation, the police failed to find out how the allergens were mixed into the pizza.

At this time, the food company held a press conference, and the remarks made by President Yuki Asahi (Omori Minato) at the meeting angered the survivors and public opinion.Under huge public pressure, the food company eventually went bankrupt, and Asahi himself and Kosuke Moritsuki (Tsukei Do Takashi) who co-founded the restaurant with him were forced to find another job.

On the other hand, Honghai blamed himself for causing his daughter to accidentally eat allergic ingredients, and was unable to bear the grief of losing her beloved daughter, so he finally chose to divorce Jingwu and live alone.

A year later, Honghai started working in a cooking classroom. During class, she saw her enemy Yuki Atsushi and learned that Yuki Atsushi had two daughters: the eldest daughter Ririko (Heiyu) who was in the first grade of high school and the youngest daughter Moeko (Eemo Kurata).The grief of losing his beloved daughter has turned into a desire for revenge. Honghai secretly vowed to let Xu taste the same pain as him and wait for an opportunity to act...