Kate and Vincent have overcome the odds and at last they are together in Paris, the city of love. Only, there isn't exactly a happily ever after with the revenants…. Vincent promises to do whatever it takes to lead a normal life with Kate. But will their happiness come at too high a price? If he doesn't sacrifice himself to save others, innocent people will die. When a new and surprising enemy reveals itself, Kate realizes that even more may be at stake—and that Vincent's immortality is in jeopardy.