What do you do when your partner's infidelity upends your life? When you confront living on your own? In amongst parents dying, careers ending and becoming a grandparent? As a journalist, Kate Legge often seeks answers to how people reckon with bad luck or bad decisions. When faced with her husbands affair, she discovered a fault like of betrayal running through four generations of his family, which began a search for answers both close to home and more universally.