After Honorine Camden is jilted, leaving her stunned and sparking a scandal in her tiny London borough of Wallflower, she's devastated. But when she overhears her father, the stationmaster, talking about arranging a party for their newly-minted underground railway station, she volunteers to help. Although she's intrigued with the handsome assistant stationmaster, Shane MacIntyre, she never expects to fall head-over-heels in love with him. Unfortunately, one tragic accident might derail everything.