One day while young Tom Edison hands out sandwiches on the Mt. Clemens railroad platform, he sees the station telegraph operator's son, Jimmy, playing on the track. When a boxcar comes rolling toward Jimmy at top speed, it's Tom to the rescue -- and the deed is rewarded with some telegraph lessons that will change Tom's life forever.
Young Thomas Jefferson has been warned about the Native American burial mound near his house. But one night he decides to see it for himself. Tom hides in the bushes and thinks he hears ghosts approaching. It turns out to be a Native American tribe coming to pay its respects, and Tom learns an important lesson.
When young Jack Kennedy's little sister gets tired of playing, Jack suggests a a sail. Within moments Jack is steering the small chip toward Osterville to say hello to Captain Manley. Under darkening clouds the two children head back home -- but they do not make it before a storm hits, threatening their lives. Is young Jack a good enough sailor to bring his sister home to safety?