When an office couple, Tae and Liu, are forced to quarantine together for 14 days due to the COVID-19 outbreak, they find themselves spending more time together than ever before. What begins as love soon turns into conflict, as their differences and habits start to clash. Eventually, they break up — but since the quarantine isn’t over, they still have to live together. During that time, one of them begins to soften. Liu writes a heartfelt note to Tae, and in the end, it brings them back together once again.