"They are a perfect, golden couple," Rachel Watson thinks, regarding handsome Jason and his striking wife, Jess. "He is dark-haired and well built, strong, protective, kind. He has a great laugh. She is one of those tiny bird-women, a beauty, pale-skinned with blond hair cropped short." Rachel, the main narrator of Paula Hawkins' novel The Girl on the Train, is obsessed with the pair; they represent to her the perfect relationship that she once had, or seemed to, before it imploded spectacularly.