Eliza Hawthorne, a 25-year-old article writer sometimes called "jobless" by her mother due to her freelance career, often questioned her life choices whenever Arthur Penhaligon was mentioned. Arthur Penhaligon, a seemingly perfect cardiologist who married at 28 and has a baby girl, stood in stark contrast to Eliza''''s and Ethan''''s life. Things became complicated when Eliza and her boyfriend, Ethan Bancroft, came across Arthur''''s diary, hoping to uncover his dark secrets for publication and fame.