Struggling actor Hyeon-Su Kim suddenly gains a strange ability after an accident: he can dream the dreams of the dead. These aren’t hazy nightmares or random visions, but vivid relivings of emotions and experiences that don’t belong to him. When Hyeon-Su channels those experiences into his roles, his acting becomes terrifyingly real, as if he’s truly possessed. But how far can a haunted genius go before the dreams start consuming him?(Source: WEBTOON)
— Description from AniList community (anilist.co).
