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tvN continues to unveil « Undercover Miss Hong »through new images focusing on the budding relationship between Park Shin-hye and Ha Yun-kyung. Behind the apparent harmony of this shared living arrangement lies a delicate balancing act, where secrets could turn everything upside down.

A deceptive roommate in room 301
Set in the late 1990s, the series follows Hong Geum-bo (Park Shin-hye), an elite financial investigator forced to pose as a 20-year-old rookie after uncovering suspicious financial flows. Under the identity of Hong Jang-mi, She moves into room 301, which she shares with Go Bok-hee (Ha Yun-kyung).
The images show an immediate contrast in dynamics: Geum-bo, dressed in a simple tracksuit and wearing her fake name, adopts a falsely innocent attitude, while Bok-hee naturally displays a protective, almost maternal posture. The eldest in the secretarial office and the oldest in the shared apartment, Bok-hee is nicknamed the “big sister”, without suspecting for a moment that the youngest member of the group is actually 35 years old.
Fragile trust and conditional alliance
While Bok-hee is quick-witted and observant, she also remains deeply distrustful. Her cautious nature prevents her from opening up easily, complicating Geum-bo's mission, who desperately needs her help to advance a crucial case within Hanmin Securities.

Other images suggest a whispered conversation between the two women, as if a secret had just been shared. These moments raise a central question: Will Geum-bo manage to win Bok-hee's trust without revealing her true identity?

Between forced complicity, persistent mistrust, and constant lies, their relationship promises a subtle chemistry that is both touching and tense, a new key element in this undercover office comedy.
Undercover Miss Hong will be broadcast from January 17, 2026 on Netflix and tvN.
