When his friend and coworker suddenly dies, train enthusiast Finbar McBride (Peter Dinklage) inherits an abandoned railway station in rural New Jersey. A dwarf who avoids social contact whenever possible, Fin treks out to the property and moves in. However, his newly isolated life is disrupted by Joe (Bobby Cannavale), the outgoing operator of a roadside refreshment stand, and Olivia (Patricia Clarkson), a reclusive artist who is grieving the loss of her son. As Joe and Olivia slowly bring Fin out of his shell, all three people are affected by their newfound friendships.