There are five
person lost their wallets in the airplane for two months.Who is
the thief? Is it a same person or different ones? The police is very
anxious,many ways are thought but didn't make it.One day,a police took
the list of names with this five times taking by plane,and put it
together to check it again and again carefully.Suddenly,his eyes are
startled by the middle of one piece of paper.Few days later,the police
followed a man to fly to Beijing.