Anastasia's 10th year has some good things like falling in love and really getting to know her grandmother and some bad things like finding out about an impending baby brother.
Bored and in need of money, Anastasia, inspired by the novels of Mary Roberts Rinehart, seeks a job as a companion to a wealthy, elderly woman, but the job is nothing like she expected.
Her family's new, organized schedule for easy housekeeping makes Anastasia confident that she can run the household while her mother is out of town, until she hits unexpected complications.
Thirteen-year-old Anastasia sets out to pursue her goal of becoming a journalist by probing for the reasons behind Daphne Bellingham's parents' divorce while, at the same time, trying to cope with her humiliating lack of coordination in gym class.
Ready for romance, thirteen-year-old Anastasia answers an ad in the personals with an exaggerated description of herself but soon runs into trouble when the unknown man turns up at a friend's wedding.