Declan O'Brien always had a gentle word to share, odd phrases he liked to repeat, and songs to sing while he played basketball. His favorite song was Dona Nobis Pacem, "Grant Us Peace." His family loved him deeply and always knew they were loved in return. But a terrible accident one day changes their lives forever, and Fiona and Finn O'Brien are left without a father. Their mother is at a loss. What words are there to guide them through such overwhelming...

After sixteen-year-old Tyler convinces his parents to donate the organs of his fourteen-year-old sister, who died during a gymnastics meet, he writes letters to the recipients, including Dani, who finally has a chance at normalcy after living fifteen years with a congenital heart defect.