J'ai Lu The Housekeeper by Freida Mcfadden

Every day, Millie cleans the beautiful home of the Winchesters, a wealthy New York family. She also picks up their daughter from school and prepares meals before going to bed in her attic room. For the young woman, this new job is an unexpected opportunity, a chance to start over. But beneath a respectable exterior, her boss is becoming increasingly unstable and toxic.