"My great-great-grandfather, Tobias Frazier is my hero," said Toby. "He was a code talker in World War I." Toby's friend, Charlie, wants to have a secret code, too. Toby teaches Charlie the Choctaw words for colors, numbers, days of the week, and even a few of Papa Tobe's super-secret words he used during the war. But one day, Toby's grandfather desperately needs their help. The boys have to act quickly if they want to be real heroes.