Looking for new K-dramas releasing in March 2026? This guide covers the full lineup with cast, release schedules, and story previews you should know.

Undercover Miss Hong introduces a fun mix of comedy, mystery and undercover chaos set in the late 1990s. Led by Park Shin Hye and Go Kyung Pyo, the drama follows an elite financial supervisor who disguises herself as a rookie worker to uncover suspicious money movements. With a strong cast and a nostalgic office setting, the series promises romance, tension and plenty of sharp humor.