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tvN Unveils New Teaser for Undercover Ms. Hong Ahead of January 17 Premiere

The preview positions the show as a period workplace comedy about a regulator infiltrating a securities firm to upend 1990s office norms.

Overview

  • The latest teaser showcases Park Shin Hye’s Hong Geum Bo as she changes her name, age, and status to become junior employee Hong Jang Mi.
  • Storyline follows an elite Financial Supervisory Service officer who goes undercover at Hanmin Securities after suspicious fund activity is detected.
  • Fresh stills spotlight Ha Yun Kyung as Go Bok Hee, a flashy, ambitious CEO’s secretary whose roommate dynamic with the protagonist drives both tension and humor.
  • Set in 1997 Yeouido, the series leans into late‑1990s corporate culture and period comedy, including the era’s gendered office titulature.
  • Undercover Ms. Hong is set to premiere on January 17, 2026 at 9:10 p.m. KST on tvN, with PD Park Sun-ho directing and scripts by Moon Hyun-kyung.