A man since childhood has studied languages exclusively. By the time he is old enough to travel the world, with a combination of his intelligence, diligence and obsession, he had learned every modern language in the world.
Using this skill, he begins to travel the world and his exceptional communication abilities become famed worldwide. He begins to get hired by big name clients to be their translator, and soon he witnesses the many exploits of the most secretive, successful people in the world.
Sometimes he accidentally gets caught in the middle of huge crimes by his clients, and sometimes he actively tries to get his law breaking clients caught. He has many interesting, life-threatening adventures as a translator.