"At the start of the summer monsoon season and after serving nearly six years for a failed murder attempt, Seoha is released and finds refuge at Maison de Menthe, thanks to an old prison acquaintance, Choi Minyeong. But soon, a man unexpectedly enters Seoha’s life—the very neighbor Minyeong warned him about. ""There's a lunatic living next door... He's a creepy perv who's always trying to get me to sleep with him."" Blunt and unapologetic in his desires, the man becomes Seoha’s one escape from a past filled with nightmares—the only thing that makes her feel alive again. ""Why don't we keep hooking up, then?"" ""Why?"" ""They say people only realize that they're alive when they feel the warmth of another..."" ""..."" ""'Cause I'm trying to keep you alive, pretty girl."" ""Fine..."" Little by little, the emptiness in Seoha’s life begins to be filled with Kwon Yiheon. But there's something fishy about this man…"