Mark Lewis is a young man who lived in a city called 'East Capital city'. At the volume one of this series, he was still in the third year of his Junior High School years. His life was a bit different from the others because he was also a little bit different from the others. At the first journey in his life, he will meet a person who will change his life, not all of his life, but most of it. On his journey, he will also meet a young man who is also a police officer and a man who is a police detective. These two men will he help in order to solve the criminal case that they will have to investigate. Will Mark Lewis be able to give his best to help the police detective? Will they be able to solve the criminal case? Will they be able to find the leads, clues, and evidence that they need? Will the deductions of Mark Lewis give a huge help in identifying the culprit? Is he able to make deductions in the first place? Will he be able to improve his way of investigating criminal cases? This series will not only show the life of Mark Lewis, but it will also show how he improved his way of investigating.