John Rosow drinks to forget. He is a former New York City cop turned Chicago-based private investigator. At the last minute, he is hired by someone he's never met to follow a middle-aged male subject on the soon-departing California Zephyr train to Los Angeles.

John Rosow is a private investigator. And an alcoholic. He just got the case of his life.

John Rosow drinks to forget. He is a former New York City cop turned Chicago-based private investigator. At the last minute, he is hired by someone he's never met to follow a middle-aged male subject on the soon-departing California Zephyr train to Los Angeles.