一天，609号房东花花公子Mum，看到一个小伙在他(tā )的(🍥)床上，从(cóng )他们第一次见面就上床(chuáng )那(nà )天后(hòu )，神(shén )秘的事(⏬)情(🎲)不(bú )断发生(🏇)。Mum总是(shì )梦见一个神(🎩)秘的事(shì )件，半(🕯)夜总会(💆)被奇怪的(🛹)梦突然惊(🐖)醒(🕌)。Mum试图通过(🍮)和(hé )(✖)女人上床来忘(🐶)记和年(🤯)轻(qīng )男子的“情感”。然而，这甚至(zhì )让(🚨)他多想想他的梦中(zhōng )情(qíng )人。然后，他把事件的点(diǎn )点(🐑)滴(dī )滴联系起来(🙄)，提(tí )出了(🙉)反(fǎn )向(xiàng )平(píng )行宇(yǔ )宙(zhòu )的理论(🤷)。最后，他在现实(😍)生活中遇到了Dew。虽然他(🤖)们(⚾)的(de )第一次(cì )(🗳)见面是Dew的最后(🍑)一天(tiān )，但也是他(😊)们两个互(hù )相帮(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!