Introduction to emir catching thieves: emir lost his father when he was five years old. He is actually a good boy, only a little naughty. After the holiday, he planned to go to his grandmother's house in Berlin for a holiday and brought some money to her. On the train to her home, something unfortunate happened. When Emil was asleep, the money was stolen by thieves! In order to catch the thief, 100 many Berlin children and Amir finally caught up with the thief after a follow-up investigation. Through this exciting story, they summed up an experience: it is best not to take money with you, but to remit it through the post office.