On the day of the birthday of "Reyhaneh", the teenage daughter of the family, her brother puts a plastic beetle in her birthday gift box and when it opens, the celebration is disrupted. Reyhaneh has a fever and because she does not go to school, her family takes her to her grandmother's house. At Reyhaneh's grandmother's house, she asks him to tell her a story. Grandmother tells her the story of Aunt Cockroach who lives with her aunt and ...