Blue Baxter turns twelve in 1954 just as the school year ends, and she settles in for a long, lazy summer vacation.
But when backyard garden vegetables begin to mysteriously disappear in the night, Blue's investigation leads to the discovery of three illegal migrant worker kids hiding in a tool shed.
They're on the run from border patrol agents and fearful of taking help from strangers who might turn them in.
Determined to do what's right, Blue enlists the help of her GramZees,.