Thedocumentarydepictsmonarchbutterfliesgreatandmysteriousmigration.Eachyearsautumn,millionsofmonarchbutterfliesstarttheirincrediblesouthwardmigrationfromCanada,crossAmerica,toMexico.Theyflyabove2,000milestoarrivethemountainofMexico.....ThefilmopenswithcaterpillarsmunchingmilkweedinsouthernCanadainlatesummer.Sooneachcaterpillartransformsitselfintoasilkychrysalis.Roughly10dayslater,adelicatefour-wingedmonarchemerges.Then,atsomeunknownsignal,themonarchstaketotheaironatwo-month,2,000-mileflightoverfields,forests,cities,plains,openwater,deserts,andfinallymountainstocongregateinatiny,high-altituderegionofcentralMexicowheretheyveneverbeenbefore.Incredibly,theyarrivebythemillionsatthesametimeeachyear.Sheddinglightonthisnaturalwonderaresomeoftheworldsleadingmonarchresearchers,includingLincolnBrowerofSweetBriarCollege,independentbiologistBillCalvert,andOrleyChipTayloroftheUniversityofKansas.Puttingthemonarchphenomenonintoperspective,Taylorsays,YouvegotabutterflythatsoriginatinginToronto,oritsoriginatinginDetroit,Michigan,oritscomingdownfromSt.PaulormaybeevenWinnipeg,anditsmovingsouth.SomehowitfindsitswaytoMexico.Couldyoudothat?Nooneyetknowshowthebutterfliesdoit,butTaylorsresearchrevealsthattheyareexpertnavigators.Inoneexperiment,hetransportedMexico-boundmonarchsfromKansastoWashington,DC,andthensetthemloose.Atfirst,theyflewsouthasiftheywerestillinKansas—acoursethatfromWashingtonwouldmissMexicoentirely.Butafterafewdays,theycorrectedtheirflightpath,asifsomeinbornGPSunithadalertedthemtothetruedirectionoftheirdestination.Inanothersequence,NOVAaccompaniescelebratedmonarchwatcherBillCalvertaroundbackcountryTexasashelooksforsignsofthemonarchmigration.Sureenough,theyshowupenmasseandontime,headingtowardtheSierraMadremountainsacrosstheborder—thelastlegoftheirflight.AndintheMexicanstateofMichoacán,NOVAjoinsmountainvillagersastheycelebratethearrivalofthemonarchsinthefirstweekofNovember.ThebutterfliesarrivalmarksthestartofacelebrationcalledtheDayoftheDead,sincethelocalpeoplehavetraditionallyassociatedthemonarchswiththereturningsoulsoftheirdepartedancestors.Unfortunately,illegalloggingintheMexicanbutterflysanctuariesthreatenstheuniquehabitatthatmonarchsdependonfortheirsurvival.Monarchsmaynotyetbeanendangeredspecies,buttheirannualmigrationisanendangeredphenomenonthatcoulddwindletoinsignificanceifthegiantfirsthattheyclingtoduringthewinterdisappear.Gonealsowouldbethecolorfulfestivalthatclosestheprogram—afireworksdisplaywelcomingthehardyflierstoMexico,withorangeburstsagainsttheblacksky,lookingalmostlikethebeautifulcloaksofthemonarchs..共同出演3个主要(🔖)英雄梦。传(👘)说几十年前，一(🚭)伙(🛶)号称(chēng )泥儿会(huì )的胡(🕒)匪(fěi )曾从黄(🏿)皮子祠挖出一口描金嵌玉的(🦎)箱子，随后这伙胡(🍴)匪和箱子就(🐴)一(🏸)起消(😟)失在了漠北草原。张(zhā(⭕)ng )秀娥在屋子里面坐(zuò )了一(🥑)会儿(📓)，就出去做(😽)饭了。周(zhōu )氏也(yě )不反(💋)驳张秀娥(🖌)的话，她也(yě )不(bú )喜(🗽)欢张(zhāng )玉敏。在乔羽的帮助下，完(😩)成自(zì(🛸) )我救赎，实现自(zì )我成长，最(💐)终寻得真爱晚餐过后，摩根(🤲)夫妇在瓢泼大雨中偶(ǒu )然目睹一桩(zhuāng )杀人案(🤾)，他们清楚看(kà(🍟)n )到凶手（麦(➡)克·凯(🤕)利(🤣)MichaelKelly饰(🤑)）的长相，而自(🌃)己的容貌也被凶(🐋)手尽收眼(🥣)(yǎn )底(dǐ )。不料慧娘(niá(🕵)ng )进(🛥)香当(👭)日(rì )，恰逢(🙍)贾似道也到庙(😛)中拜神，看见(🤡)慧娘，惊为天人，即存(🏑)下染指之(🗡)心(🎺)(xīn )。正(zhèng )思索(suǒ )间，一股(gǔ )深(🐱)(shēn )沉的怨念突然从身旁(páng )爆发。