Lee Junghyuk, an incubus, relies on vitality obtained through intimate encounters in people's dreams to survive. However, past trauma has left him emotionally numb, suffering from sexual anhedonia until he meets Yoo Seohee. Their chance encounter at a club leads to an unexpectedly fulfilling night together. Yet, as Junghyuk discovers Seohee's reputation as a notorious playboy at their university, he questions whether their connection can evolve beyond mere partners...