Based on a true story, "Train Man" will recount the life of Darius McCollum, a New York man, diagnosed with Asperger syndrome, who developed a life-long obsession New York’s subways and trains. Impersonating employees of the New York Transit Authority, he became known for illegally driving New York's buses, subways and trains. Frequently arrested and imprisoned, he became a cult figure around the city after wanted posters warning passengers about him appeared throughout the city.