A horror period drama showcasing the mysterious vampire story set in Gyeongseong in 1935 and Shanghai in the 1800s. A painter commissioned a portrait of a seductive woman. The woman's identity and mysterious events that are revealed over time, and the story of a painter who was enamored with a woman. (Source: Korean = NamuWiki) Adapted from the webtoon "Delusion" (현혹) by Hongjacga (홍작가).