A taxi driver is found dead, and Hyun-woo, the only witness, charged with a murder and serves 10 years in prison. While offering pro bono services, a lawyer Junyoung meets Hyun-woo, and they begin their journey to prove his innocence.
1930s Korea, in the period of Japanese occupation, a new girl (Sookee) is hired as a handmaiden to a Japanese heiress (Hideko) who lives a secluded life on a large countryside estate with her domineering Uncle (Kouzuki). But the maid has a secret. She is a pickpocket recruited by a swindler posing as a Japanese Count to help him seduce the Lady to elope with him, rob her of her fortune, and lock her up in a madhouse. The plan seems to proceed according to plan until Sookee and Hideko discover some unexpected emotions.