Marnie Anderson is just a 17 year old teenage girl, who's just looking for a job when her older brother, Trent Anderson, begins struggling to make ends meet. When her friend, Hailey Summers, shows her a job opening as a nanny for someones child, she automatically applies for the job. When Marnie gets the job, she meets 7 year old, Cassandra Lakes. Cassandra lives the high-life, she gets everything she wants and you could consider her a "spoiled brat." She never likes new girls in her life because she always sees them come and go. Cassandra is determined to make Marnie's life a living hell, but not if Marnie can help it. And what happens when Cassandra's older brother happenes to be Tyler Lakes, the hottest guy in school? Watch as Cassandra and Marnie battle it out, but become closer every step of the way.