A 16-year-long civil war that began in 1977 ravaged Mozambique's Gorongosa National Park, wiping out nearly 95 percent of the elephant population. Today, peace has been restored, but the surviving elephants still carry the emotional scars of war and must relearn how to trust humans. Follow a brother-and-sister team, Bob Poole and Dr. Joyce Poole, on a mission to help the traumatized elephants heal and to restore peace to a once-again-thriving wildlife sanctuary.