If you actually meant the famous Korean film The Housemaid (2010) starring Jeon Do-yeon, let me know and I’ll provide a separate write-up for that masterpiece as well.

Mong-ryong orders Bang-ja to help him seduce Chunhyang. He wants a secret affair with no intention of marriage. Bang-ja, loyal to a fault, does his best to execute his master's wishes. However, a twist of fate occurs: Chunhyang’s mother, Ms. Hyo-geum, recognizes that the letters and poems sent to her daughter are actually written by Bang-ja, not the Master.

as Bang-ja: Portrays a sympathetic, tragic hero who remains noble in character despite his low social standing.

This subversion creates a narrative that is both intellectually stimulating and emotionally volatile. It is a story about the class struggle, where the lower class realizes their power over the aristocracy not through money or status, but through raw humanity and skill.