Dawn Grace’s son, Calen, accidentally shot himself in the head 4 years ago. Dawn was at a loss when she said that Calen came to her in a dream and told her to donate his heart. Today, Dawn is meeting 55-year-old Joe Hansen, the recipient of Calen's heart. Calen's gift gave Joe a second chance at life and hearing Calen's heart beat in Joe's chest is a moment you don't want to miss.