一(🈯)天，609号房东花花公子Mum，看到一个(😘)小(xiǎo )伙在他的床上，从他们(🎗)第(dì )一次(🥈)见面就上(🍖)床(chuáng )那(🏴)天后，神秘(mì )的事情不(👋)断(⏬)发生。Mum总(📼)是梦见(🖲)一(yī )个神(shén )秘的事(🎩)件(🤷)，半(bàn )夜总(🕖)会被奇(qí )(🙍)怪的(✳)梦突然惊醒。Mum试图通(🎫)过和(hé )女(nǚ )人上(shàng )床(chuáng )来忘记(jì )和(hé )年轻男子的(de )“情(🤷)感”。然而，这甚(shèn )至(🔩)让他多(duō )想想他(tā )的(de )梦中情(❔)人。然后，他把事件的点点滴滴(✋)联(lián )系起(qǐ )(🙌)来，提出了反向平行宇宙的(de )理论。最后，他在现实生(🕙)活中(😍)遇到了(le )Dew。虽然他们的第(dì )一次(🕯)见面是(shì )Dew的最后一天，但也(yě )是他们两个(😊)互(🈸)相帮(bāng )助改变未来的(de )(🥋)开始！Oneday,astrangemanissleepingonMum’sbed,aplayboyandtheownerofroom609.Theybothhavepassionatesexthefirsttimetheymeetandafterthat,mysteriousthingskeephapping.Mumalwaysdreamsofamysteriouseventandwakeupfrightenedinthemiddleofthenight.Mumtriestoforgetthe"feeling"withtheyoungmanbyhavingsexwithwomen.However,itevenmakeshimthinkofthemanofhisdreammore.Then,heconnectsthedotsoftheeventsandcomesupwiththetheoryofreverseparalleluniverse.Finally,hemeetsDewinreallife.ThoughtheirfirstmeetingisDew’slastday,butalsothebeginningthatbothofthemwillhelpeachothertochangethefuture!