Forgiveness is possible even in impossible circumstances. On March 28, 2010, Kate and Andy Grosmaire received two pieces of news that would change their lives forever. The first was their worst nightmare: "Ann has been shot." And the second was the dumbfounding addendum: "Conor was the one who shot her." Their nineteen-year-old daughter had been killed by her boyfriend, a young man who had lived with the family and had come to feel like part of it...