Delusion

Delusion is a Korean Drama, In 1935 Gyeongseong, a struggling artist named Yun Yi-ho accepts a commission from the reclusive Madam Song Jeong-hwa to paint her portrait. To his surprise, the elderly madam reveals herself as a young woman but asks him to portray her as an old woman. He then finds a disturbing letter among the previous artist's supplies, revealing that no artist has ever left Madam Song Jeong-hwa's residence alive or sane. Yun Yi-ho must now unravel the mystery of her deception and the perilous implications of finishing the portrait.