一天(👷)，609号房东(📼)花花公(🐌)子Mum，看(kàn )到(🕟)一个小伙(🕰)在他的床上，从他们第(dì )一(yī )次见面就(🏴)上床那天(💤)后，神(shén )秘(🌫)的事(⏬)情(qíng )不断发(🌗)生(shēng )。Mum总是梦(mèng )(🐿)见一个神秘的(de )事(🛍)件(🎡)，半(bàn )夜总(zǒng )会被(✳)奇怪的梦突然(rán )惊醒。Mum试(shì )图通过(guò )和女人上床来忘(🐶)记和年轻男子的“情感”。然(🧚)而(ér )，这甚至让他(🛑)多想想他的(de )梦中情(qíng )人(rén )。然后，他把事件的点(diǎn )点滴滴联(🤠)系起来(lái )，提出了反(fǎn )向平行(⏰)宇宙的理论。最后，他在现实生(shēng )(💠)活(👺)中遇到(🤳)了Dew。虽然他们的第(dì )一(👣)次见面是(shì )Dew的(🏉)最后一(👊)天，但(dàn )也是他(tā )们两个互(hù )(🐛)相帮助(zhù )改变未来的(🌪)开始！Oneday,astrangemanissleepingonMum’sbed,aplayboyandtheownerofroom609.Theybothhavepassionatesexthefirsttimetheymeetandafterthat,mysteriousthingskeephapping.Mumalwaysdreamsofamysteriouseventandwakeupfrightenedinthemiddleofthenight.Mumtriestoforgetthe"feeling"withtheyoungmanbyhavingsexwithwomen.However,itevenmakeshimthinkofthemanofhisdreammore.Then,heconnectsthedotsoftheeventsandcomesupwiththetheoryofreverseparalleluniverse.Finally,hemeetsDewinreallife.ThoughtheirfirstmeetingisDew’slastday,butalsothebeginningthatbothofthemwillhelpeachothertochangethefuture!