Missing their grandmother dearly, her grandchildren decide to spend their vacation by her side. However, the holiday takes an unexpected turn when an old family secret involving a hidden treasure comes to light. Fearing for her grandchildren's future and wanting them to live without financial hardship, the grandmother summons her "little friends" and reveals the existence of the treasure.
But claiming it is no simple task. To reach the gold, the children must navigate a path filled with ancient mysteries and perilous adventures. Their greatest obstacle is "Javanshir Johnny," a neighboring opportunist who accidentally learns of the secret and tries to claim the prize for himself. Despite his constant interference and the daunting complexity of the puzzles left by their grandmother, the clever siblings must rely on their wits and unity to overcome the challenges and reach the ultimate prize.