故事的男主人公是一位天赋异禀的探案少年，在本次警校选拔中，他不幸落榜，于是他被姥姥送到了泰国，前去寻找自己那个被称为唐人街第一神探的远房表舅，在那里他们经历了曼谷和纽约风波，后来东京又出现了一个棘手的案子，男主人公和唐人街神探就被日本的侦探邀请前去破案，与此同时，世界神探排行榜中的优秀侦探们听到有大案，也都快马加鞭的来到了东京，他们纷纷加入挑战，令大家吃惊的是，在排行榜第一名的Q先生也会在此现身，这个案子显得更加的扑朔迷离，这场亚洲神探们之间的精彩较量很快就拉开了序幕。刚开始他们根据现场提供的方案拿到了线索，他们分头行动中发现了案件越来越蹊跷，故事的男主人公慢慢的进入了别人的圈套中，他将如何化解危机

The hero of the story is a talented detective boy. Unfortunately, he failed in the selection of the police academy, so he was recruited by his grandmother. They were sent to Thailand to find their distant cousin known as the first detective in Chinatown, where they experienced troubles in Bangkok and New York, and then a tricky case appeared in Tokyo. Detectives were invited to solve the case. At the same time, the outstanding detectives in the World Detective Rankings heard that there was a big case and rushed to Tokyo. They joined the challenge one after another. To everyone's surprise, they ranked first in the ranking Mr. Q will also appear here, and the case becomes more complicated and confusing. This wonderful contest among Asian detectives will soon kick off. At the beginning, they got clues according to the plan provided by the scene. When they split up, they found that the case became more and more strange. The hero of the story gradually fell into the trap of others. How will he resolve the crisis