一天，609号(hào )房东花花(huā )公子Mum，看到一个小(xiǎo )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(duàn )发生。Mum总是梦(mèng )见一个神秘的(🗄)事件，半夜总会被奇(🔲)怪的(🛹)梦突然(rán )(🚥)惊(jīng )醒(🕌)。Mum试(🥞)图(tú )通过和(hé )女人(😻)上床(🖍)来忘(wàng )记和年(nián )轻(😱)男(🐖)子的“情(qíng )感”。然(🧚)而(🚣)，这(🥁)甚(🌚)至让(ràng )(🚨)他多(duō )想想他的梦中情人。然后，他把(bǎ )事件的(de )(🔝)点(diǎn )点滴滴联系起来，提出了反(💪)向平行宇宙的(⛏)理(lǐ )论。最后(🔔)，他(tā )在现实(shí )生活中(zhōng )遇(🏯)到了Dew。虽然他(tā )们的第(🌮)一次(cì )见面是Dew的最后一天，但(dàn )也是他们两个互相(xiàng )帮助改变未来(🃏)的(de )开(kāi )始！Oneday,astrangemanissleepingonMum’sbed,aplayboyandtheownerofroom609.Theybothhavepassionatesexthefirsttimetheymeetandafterthat,mysteriousthingskeephapping.Mumalwaysdreamsofamysteriouseventandwakeupfrightenedinthemiddleofthenight.Mumtriestoforgetthe"feeling"withtheyoungmanbyhavingsexwithwomen.However,itevenmakeshimthinkofthemanofhisdreammore.Then,heconnectsthedotsoftheeventsandcomesupwiththetheoryofreverseparalleluniverse.Finally,hemeetsDewinreallife.ThoughtheirfirstmeetingisDew’slastday,butalsothebeginningthatbothofthemwillhelpeachothertochangethefuture!