US family adventure. Following the sudden death of this wife, Clint (Travis McCoy) whisks his two children, Skyler and Luke (Tyler Jade Nixon and Axle McCoy), away on a vacation to the tropical island where he married their mother. There, the kids strike up a friendship with a dolphin named Echo, which has drifted away from its pod and become lonely but forms a special bond with the siblings and helps Luke rediscover his love of swimming. With the help of a team of marine biology students working on the island, the trio try to reunite the dolphin with its own family.