{Book One} "If you could travel back in time, what year would you start living from?" Daniel, aka Dan, Percival Anderson: A hardworking, highly classified doctor at London Royal Hospital. Left Sweden to start up a new life and forget the past. Harriet, aka Harry, Smith: The chef of a five star restaurant in Spain, wanted to prove to her family that she could really make a career out of cooking. Both meet for the first time in eight years at an airport in California due to a vow they'd made for a mathematician back in ninth grade. "April 4th 1967."