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«Are you a gifted child looking for special opportunities?When such an advertisement appears in the newspaper, dozens of children volunteer to take part in mysterious tests. (And you, dear reader, will be able to test your wits side by side with our heroes). But in the end, only four very special children will successfully cope with the tasks. They will face a challenge: to go on a secret mission that only the smartest and most resourceful children can accomplish. To do this, they will have to study undercover at the Educational Lyceum for the Able, where there is only one rule - no rules.
Faced with extraordinary physical and mental challenges, our heroes have no choice but to turn to each other for support. But when their friendship is in mortal danger, who knows if they will be able to cope with the most important test of all?