The people on platform 5

One morning on the train, Smart-but-Sexist-Surbiton chokes on a grape right in front of Iona. This single event starts a chain reaction, and an eclectic group of people, with almost nothing in common except their commute, discover that talking to strangers on the train might be uncomfortable and awkward, but it can challenge all of their assumptions and prejudices, and could even transform their life.