The series centers on four Latina maids working in the homes of Beverly Hills’ wealthiest and most powerful families, and a newcomer who made it personal after a maid was murdered and determined to uncover the truth behind her demise, and in the process become an ally in their lives.

Set in the Joseon Dynasty, three women learn what love means as they try to navigate through the class system and survive. In Yup (Jung Yoo Mi) is a beautiful noblewoman who becomes a servant overnight when her father is framed and labeled a traitor. She ends up falling in love with a fellow servant, Moo Myung (Oh Ji Ho), while working for the royal family, and becomes friends with her own handmaiden Sa Wol thanks to their shared experiences. Meanwhile Ga Hee is the most famous gisaeng of the city but with her own aspirations for romance. She falls in love with Moo Myung, but what can she do when his heart lies elsewhere?

Drina, a young immigrant working as a live-in maid for a wealthy Long Island family, finds herself entangled in the family's web of dark secrets once she begins to suspect her employer's son has committed a terrible crime.