Talented programmer Evie Croft came from the provinces to Melbourne to conquer the big city. Every morning, on her way to work, she meets a handsome, dark-haired man in the train carriage. Enchanted, Evie jokingly nicknamed him her boyfriend. “Who is this mysterious man?” - she wonders. The girl unexpectedly receives the answer to her question in the office of Jonathan Montrose, an information technology guru, where she encounters that same fellow traveler. She and Armand Debussy have to find the reason for the failure of the new computer program. Soon they are connected not only by a common cause, but also by mutual attraction. But is there a future for the relationship between a naive provincial woman who is chronically unlucky in love and a sophisticated Frenchman?