Set in 1899 Spain, a group of maids work for bourgeois families, navigating class divides. Wealthy households and their servants' lives intertwine in the building at Acacias 38, revealing secrets and relationships.

Acacias 38' takes us to 1899 to narrate the story of a group of maids and the bourgeois families for whom they work. A story about the wealthy and the poor that reflects the meeting of two worlds in a singular space: a doorway to Acacias 38. This building in a bourgeois neighborhood of a Spanish city is the setting for the adventures of the different characters: the Serna family, the Álvarez- Hermoso, the Hidalgo, the Palacios, their maids and their neighbors.