Jack Campbell, a workaholic Wall Street exec, gets to see what his life might have been like if he'd stayed with his former sweetheart, Kate. Thirteen years after they split up, Jack falls asleep in his posh New York apartment, then awakens to find himself a family man, with his now-wife Kate, daughter Annie and new baby.

When ten-year-old Lina Gao leaves China to live with her parents and sister, after five years apart, she must reckon with her hurt, anger, and curiosity and find a way to get her bearings in this new country--and the almost-new family that comes along with it.

When twelve-year-old Waka's parents suspect she can't understand basic Japanese they speak to her, they make the drastic decision to send her to Tokyo to live for several months with her strict grandmother. Forced to say goodbye to her friends and what would have been her summer vacation, Waka is plucked from her straight-A-student life in rural Kansas and flown across the globe, where she faces the culture shock of a lifetime. In Japan, Waka struggles...