Becca Kingser almost died when she was eight years old. Ever since then, she's been homeschooled with her sisters. One of them is a bouncy, energetic little girl, the other is a closed-off mystery. But when Becca's mom finds a new job in Michigan, the entire Kingser family has to leave Chicago. Becca is forced back into school, and the challenges that come along with it. And it doesn't help once she learns the truth about her older sister.