So begins the love story of Joe Kiyonaga, the striking Japanese-American war hero from Hawaii, and Bina Cady, the irreverent Irish-Catholic redhead from Baltimore. Similar in their convictions, different in most every other respect, the two leaped into a marriage in 1947 that defied the anti-Japanese sentiments of the day. And their unlikely union would come to include a powerful, top-secret cohort: the CIA. For while Bina, Joe, and their children played the part of a normal family, all of their activities were geared toward Joe's clandestine mission as a spy for the CIA: to gather...