From war-torn Syria to the 2016 Rio Olympics, two young sisters embark on a harrowing journey as refugees, putting both their hearts and champion swimming skills to heroic use.From war-torn Syria to the 2016 Rio Olympics, two young sisters embark on a harrowing journey as refugees, putting both their hearts and champion swimming skills to heroic use.From war-torn Syria to the 2016 Rio Olympics, two young sisters embark on a harrowing journey as refugees, putting both their hearts and champion swimming skills to heroic use.