Im Sihyuk lived a life of ease, full of confidence and lacking nothing. But after getting brutally dumped by his Gen Z girlfriend, cracks begin to form in his once-perfect world. Feeling unsettled, he drinks at a company dinner, but one cocktail is all it takes to knock him out. He ends up having a one-night stand after being found by Do Geonwoo, a part-timer working the event. “I only kiss people I’m dating.” “…Got it. So don’t push me away.” Thanks to Geonwoo, Sihyuk’s quiet and uneventful life starts spiraling in unexpected directions. In the middle of this romantic red alert… Can he ever go back to the way things were?