放学的路上,遇到了一个老头,非得求大字给自己找丢失的小京巴乐乐。大宇实在不好拒绝,就和刘畅、李伦、赵勇他们展开了调查。在曾经丢失乐乐的菜市场上,大宇他们发现了一辆卡车,卡车的主人抱着一只叫欢欢的小狗,很是有些像乐乐。几个人追踪到了一个工厂,结果发现处处暗藏玄机,他们险些遭遇恶狗和神秘人的袭击。 On the way out of school, met an old man, had to seek big characters to find their own lost Little Jingba Lele. Daewoo is really not good to refuse, and Liu Chang, Li Lun, Zhao Yong they launched a survey. Daewoo they found a truck in a vegetable market that once lost Lele, and the owner of the truck hugged a puppy named Huan Le. Several people traced to a factory, the results found hidden mystery everywhere, they almost suffered vicious attacks on dogs and mysterious people.