Something is going terribly wrong at the top secret Pinewood Military Installation, and the teenage geniuses who study and work there are about to discover a horrible truth as they lead a small military force trying to retrieve data and escape before the compound self-destructs.

When her brother is sent to fight in Vietnam, twelve-year-old Jamie begins to reconsider the army world that she has grown up in.

When the Bailey family moves into an army base in Virginia there are a lot of adjustments to make; twelve-year-old Tom runs afoul of the base school bully, ten-year-old Charlotte finds herself trying too hard to make friends with the "cool" girls, and six-year-old Rosie is just being difficult as usual--but they come together to investigate a mysterious building full of weird cages, and uncover Fort Patrick's secrets.