奇迹在维拜

14yearoldSvenisatechnicalgenius,whohasrebuiltanoldcaravanintoaradiocommunicationcenter.Viaradioheisincontactwithhisfather,whoworksatabigshipattheothersideoftheglobe.OnedaytheradiocommunicationissuddenlyinterruptedbysomethingwhichsoundslikeaLatinmass.InschoolSvenattendsalessonaboutradio-astronomy.Theteacherexplainsthatastronomerscanreceiveradiowavesthatarethousandyearsold.SvenunderstandsthattheLatinmassheheardwastransmittedtohimfromanotherage.Hegetscuriousandstartsmakingexperimentsbyconnectinghisradiokittobiggeraerials.WhenhesitsinthecaravantogetherwithhisfriendsBoandPetra,theynotonlyheartheLatinmassonhisradio,butthewholecaravanisturnedintoatime-machinethatbringsthemtotheMiddleAges.Theygetintroublewithsomewarriors,whocapturePetra,whileSvenandBoescapewiththehelpoftheirtime-machine...