一天，609号房东花花公子(🍩)Mum，看到(dào )(🕟)一(yī )个小伙(🕰)在他的床(chuáng )上(shàng )，从他(tā )们(men )第一(yī )(🛤)次(🌰)见面就上床(chuáng )那天后，神秘的事情不断发生(shēng )。Mum总是(shì )梦见一(yī )个神秘的事件，半(🕯)夜总会被(✳)奇(qí )怪的梦突然惊(jīng )醒(xǐng )。Mum试(🥞)图通(😚)过和女人上床来(lái )忘记和年轻(qīng )男子的“情感(🚢)”。然而(ér )，这甚至(zhì )让(🚨)他多想(xiǎng )想他的梦中情人(🎛)。然(㊗)后，他把(bǎ )(🗞)事(🙂)件的点点滴(🏂)滴联系起来(lái )，提出了反(💪)向平行宇宙的(⛏)理(🥫)论。最后，他在现(xiàn )实生活中遇(yù )到了Dew。虽然他们的第(🌮)一次见(jiàn )面是Dew的最(🥊)后一(👊)天，但也是他们(🈸)两个互相(xiàng )(🌹)帮(bāng )(⛏)助改(👪)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!