一天(👷)，609号房东(📼)花花公子Mum，看到(🕟)一个(gè )小(🔱)伙在他的床上(🔧)，从他们第(🐉)一次见面就(jiù )上(🗼)床那(nà )天后，神(📿)秘的事情不(🎏)断(❣)发生。Mum总是梦见一个神秘的(de )事(shì )件，半夜总会(huì )被奇怪(🥄)的梦突然惊(jīng )醒。Mum试图(tú )通(😚)过(guò )和女(nǚ )人(😻)上床来忘记和年轻(😱)男子的“情感(🚢)”。然而，这甚至让(🚨)他(tā )多想(xiǎng )想他的(❔)梦中(zhōng )情人。然后(hòu )，他(💻)把(🗞)事(🙂)件的(de )点点滴滴联系起(qǐ )来，提出了反向(⛓)平行(⏰)宇(🈴)宙的理论(lùn )。最后，他在(🕙)现(⛳)实生活(👺)中(zhōng )遇到了Dew。虽然他们的(🕯)第一次见面是Dew的最后一天(tiān )，但也是他们(men )两个(gè )互相帮助改变(biàn )未来(lái )的开始(shǐ )！Oneday,astrangemanissleepingonMum’sbed,aplayboyandtheownerofroom609.Theybothhavepassionatesexthefirsttimetheymeetandafterthat,mysteriousthingskeephapping.Mumalwaysdreamsofamysteriouseventandwakeupfrightenedinthemiddleofthenight.Mumtriestoforgetthe"feeling"withtheyoungmanbyhavingsexwithwomen.However,itevenmakeshimthinkofthemanofhisdreammore.Then,heconnectsthedotsoftheeventsandcomesupwiththetheoryofreverseparalleluniverse.Finally,hemeetsDewinreallife.ThoughtheirfirstmeetingisDew’slastday,butalsothebeginningthatbothofthemwillhelpeachothertochangethefuture!