The story is about a murder case surrounding a math teacher. A maths teacher was found dead in her classroom with multiple stab wounds and cuts. Genius detective Tom received the case and began investigating. His investigation takes him to the math teacher's home and his neighborhood. In the park, he found some clues and also found a scratched object. He began to sort out all the clues and gather more details. Finally, through careful investigation and in-depth thinking, he revealed the truth of the murder case. The entire story is filled with tension and suspense, and is fascinating until the final reveal that unravels this carefully planned murder.
