A boy named Volka discovers an ancient vessel on the bottom of a river. When he opens it, a genie emerges from there. He calls himself Hassan Abdurrahman ibn Khottab, or in Russian style Khottabych. Grateful Khottabych is ready to fulfill any of Volka's wishes. But it appears that Volka should use the powers of the genie carefully, for they can have undesirable results.
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