It could show how theoretical knowledge in chemistry is applied in practical situations. For example, if the real story is about a chemical industry, it might demonstrate how chemical reactions are optimized to produce useful products efficiently.
Another aspect could be the real - story lessons related to chemical safety. There have been many incidents in history, such as the Bhopal gas tragedy. This event teaches us about the importance of proper safety measures in chemical plants, and how a lack of them can have devastating consequences for the environment and human lives.