Discover the mysterious adventures of Laszlo and Edgar. Having belonged to the boy-scout group of their school, Laszlo and Edgar live with Ebert, a journalist who accomodate them at his home. Now they both help him in his job in a radio station, also Melke receives their help, a distributor of newspapers of a press agency where Laszlo and Edgar work from time to time. But sometimes they are called up by the boss of their organization who needs the help of these two youngsters. The boss, Mr. Powell, trust them and lead a secret group with other people. The secret group’s name is Etterbeek, and from the adventure “Objective Everest” have a basement in the old part of the city, a gathering place where they plan the actions, the offices pass to the Philippe Baucq street some adventures later.