Tom and Wendy Graves, married for 25 years, have a life-changing secret. The story follows them through key moments, including their fiftieth birthday party, home purchase, Jason's birth, and colleague's death. The secret, a terrible act, has held them together throughout their marriage, but its power is fraying.
A psychotic man opens fire in a diner, murdering numerous people before killing himself. The survivors struggle in different ways following this horrendous event: a doctor doubts his own instincts and elects to use an experimental medical procedure on his wife, while a gambler believes he's on a lucky streak. A waitress begins engaging in promiscuous sex, and a young girl whose father is among the dead gains unexpected fame.
