Some detectives have neither worn police badges nor hung out "private detective" signs with their names on them. They are ordinary men and women in towns and cities across the country... They benefit more from their inquiring curiosity than their detective skills. What drives them forward is often their sense of right and wrong rather than the amount of money they pay. They don't carry guns, so they are always in danger because of their overconfidence. The police treated them with condescension, and the criminals did not see them as insurmountable nuisances. Once they finish their job, they will return to their ordinary life...