A traumatic event in the lives of seventeen-year-old Stephen and his fourteen-year-old sister helps them to understand and accept themselves and each other.
Russell decides to stay home from nursery school and be a baby just like his new sister, but he soon discovers that being treated like a baby when you are a big boy is no fun at all.
Elisa is determined to find a way to make everything work out once she enters the second grade and decides to prove she is a big girl to her parents and brothers.