Park Hamin (박하민)

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.

Romance rekindles amidst urban crisis. "Team Zero"" is a covert investigation unit unrecorded in any documents. During her pursuit of a monster terrorizing Seoul, Captain Yeoheun Jeong encounters her estranged first love, Jian Kang. Forced to work together, they uncover unsettling truths about the city's mysteries and their own pasts.