Conan start his first school, as 1st grader Conan, getting bored in 1+1 mathematical class. During outdoor activity session, he try his new gadget Prof. Agasa gave to him earlier (Power-Enhancing Kick Shoes) using moderate power while playing soccer. To his shock, as well as his classmates, the ball shoot through net and knock over one big tree.
On his way home, he find Mouri shadowing someone. After 3 days, Mouri receives 500,000 yen wage. That night, a hot news suddenly announced on television, stating that Masaki, 42 was murdered in fire of some festival. Masaki is the target that had been followed by Mouri.
