Which The Housemaid?

Trying to escape her past, Millie Calloway accepts a job as a live-in housemaid for the wealthy Nina and Andrew Winchester. But what begins as a dream job quickly unravels into something far more dangerous—a sexy, seductive game of secrets, scandal, and power.

Eun-yi is hired as a maid in a mansion owned by a wealthy businessman. He quickly starts seducing his employee who seemingly has little choice but to comply with his sexual advances. Soon the women of the family plot against Eun-yi who must fight an equally devious battle to protect herself.

A piano composer's family moves into a new house; when his pregnant wife collapses from working to support the family, he hires a housemaid to help with housework.