On the train ride to their honeymoon, young newlyweds bicker over inconsequential issues that appear as though will never be resolved.

During an unwanted conversation with a stranger on a train in India, a woman reflects on her loveless marriage to her husband — born of financial necessity — and her abandoned dream to attend college in America.

On a train ride to a metallurgical conference in Chicago, a consultant tries to avoid the debate between pure and applied sciences, but he cannot avoid it when he gets cornered in the washroom by two professors and an undecided bright new recruit.