Whether she likes it or not, ten-year-old Piper Lee DeLuna is about to get a new family. Four years after the plane Piper's daddy was piloting disappeared, her mama is remarrying. The way Piper sees it, Mama's being plain disloyal. Besides, who'd want to get stuck with a prison guard for a stepdad and that weenie, Ginger, for a stepsister? But when Piper Lee hatches a foolproof plan to get the wedding called off, it quickly spirals out of control...