The brand new Eiffel Tower is the glory of the 1889 Universal Exposition. But one sunny afternoon, a woman collapses and dies on this great Paris landmark. Can a bee-sting really be the cause of death? Or is there a more sinister explanation? Enter young bookseller Victor Legris. Present on the Tower at the time of the incident, he is determined to find out what actually happened. In this dazzling evocation of late 19th Century Paris, we follow Victor as his investigation takes him all over the city. But what will he do when the deaths begin to multiply and he is caught in a race against time?