The file you are referencing is almost certainly a fan-made dub (unofficial) or a mislabeled audio track. The official film exists in Korean with subtitles. Any "Hindi DUB" circulating online is a pirated, unofficial fan edit.

His life is a solitary one until he meets (played by the luminous Han Hyo-joo). Yi-soo works at a furniture design shop, and Woo-jin falls deeply in love with her. The film explores the heart-wrenching and beautiful question: Can you love someone if their appearance changes every 24 hours? Why You Should Watch the Hindi Dubbed Version

The film employs over 20 actors (including Yoo Yeon-seok, Park Shin-hye, and Lee Beom-soo) and one actress (Han Hyo-joo as Yi-soo) to play Woo-jin. This fragmentation of the protagonist across bodies forces the viewer to detach identity from physical form. The episodic structure — showing different days as discrete encounters — mirrors the couple’s struggle to build continuity amid chaos.

: The story explores the concept of loving someone for their internal identity rather than their physical appearance, as Yi-soo must navigate a relationship where her partner's face changes every 24 hours.