In an inspiring story of the bond between animals and humans, a boy named Sawyer discovers an injured dolphin, which is brought to a marine hospital and named Winter. Unfortunately, her injuries cost Winter her tail, without which she may not survive. But with Sawyer's devotion, a marine biologists (Harry Connick Jr) and the brilliance of a prosthetist (Morgan Freeman) charged with creating a new tail, Winter may receive a second chance at life.