Glavnyy geroy Vitya Magikov zadumavshis' nad proiskhozhdeniem svoey familii, provyel opyt, kotoryy otkryl dver' v inoy mir: mir magii i volshebstva. Proshloe, nastoyashchee i budushchee spleteny v odno tseloe dva shkol'nykh druga tsepochkoy vzaimosvyazannykh sobytiy popadayut v neobychnye situatsii, kotorye postoronnemu cheloveku mogut pokazat'sya plodom bol'noy fantazii: siloy voli Vitya ozhivil plastilinovykh chelovechkov plastomov kotorye stali ego pervymi pomoshchnikami v tyazhyelykh ispytaniyakh; siloy voli Vitya zastavlyaet uchitelya geografii razgovarivat' zadom-naperyed; siloy voli on dayet sdachi svoemu obidchiku v tsirke A odnazhdy shkol'nye druz'ya popali v mir, kotorym pravit tyemnyy angel Lyutsifer. Priklyuchenie bylo opasnym, no etot put' neobkhodimo bylo proyti, chtoby snyat' koldovstvo, pod kotorym nakhodilsya otets Viti, mnogie gody prozhivshiy v tele kota ryadom s synom. Vitya ne znal ob etom, i kotu inogda krepko dostavalos'. Prichinoy puteshestviya v mir Lyutsifera stali "sobach'i vorota" - dva stolba, stoyavshikh bukvoy L, pod kotorymi proshyel yunyy mag