In Gyeongseong, The City Of Glittering Lights And Glamorous Desire, Gyeongseong Detective Agency Has Opened Its Doors At No. 45, District 1, Myeongchijeong. Sohwa, A 16-Year-Old Servant Girl, Has Nothing To Her Name But Her Wits And Bravery.
When She Accidentally Gets Caught Up In A Secret Scheme, She Meets Jeong Haegyeong, A Young Man Running His Own Detective Agency. Chased By Memories From The Past, They Must Work Together To Clear Her Name.
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