Gaston and Leo are agents responsible for solving homicide. The two clumsies make a mess over and over again. Leo usually pays more attention to women than to research. And if, thanks to Gaston's common sense, they manage to bring a case to a successful conclusion, then their commander will take credit. That commander is Chief Kolder, a grumpy man. The fourth team member is the firm assistant Adrie, who didn't fall on her mouth.