Duncan Sheets and his neighbor Tina Ng find a locked box that has been buried for decades in the basement of a rickety old house. Inside the mysterious container are historical letters written by American scientist and inventor George Washington Carver. These letters are worth a fortune. The two friends hide the box with the intentions of sifting through the contents at a later date. However, when they return to the treasured box, it has vanished. The disappearance launches Duncan and Tine, accompanied by Professor Sheets, Duncan’s father, into a harrowing adventure. They are plunged into a dark world of deceit and danger that tests their wit, will and faith.

Duncan and Tina’s journey is a blend of mystery historical events and growth in Christian faith.