Every night, Zoe sneaks out to the shed in her backyard and writes letters to Mr. Stuart Harris, a Texas Death Row inmate. After many months of lies and hiding she sits down, with a jam sandwich in one hand and a pen in the other, and tell her darkest secret to a stranger.
Max is a boy is Zoe's grade. He is popular and wanted by every girl in school. At a party one night, Max and Zoe meet and end eventually falling for each other after a few bumps along the way.
Zoe meets Aaron one night who seems to get her, little does she know that Max and Aaron are brothers. Later on Aaron also discovers her hidden secret. She spends every day regretting being with Max. She must figure out a way to tell Max that she wants to be with Aaron instead of him.