The protagonist of the film "The Young and Prodigious T.S. Spivet" — a smart, clever and very talented boy T.s. Spivet lives with his family in Montana and enjoys inventing new useful gizmos. T.s. family members are very different: mom considers himself a scientist, naturalist, good-natured father looks more like a good cowboy, born at the wrong time, sister Gracie does not fit into the countryside: girl dreams of becoming a star, and twin brother, daredevil Leighton is a perfect contrast to the T.S.
Most boy dreams to invent a perpetual motion machine and once his invention receives prestigious aWard, presentation of which will be held in the Smitovskom Institute. To receive the aWard and attend a reception in his honor, T.s. Decides to secretly travel to Washington. Ahead of the young genius awaits a long and exciting journey across the country on the commodity train.