Version 1: An estranged father and son, Mark and David, find themselves on an unexpected adventure when a young crane named Karl crosses their path. Karl is part of a family of birds who are embarking on their annual migratory journey from Russia to Africa. As Mark and David join Karl on his journey, they are not only reunited but also discover the true value of family and the beauty of nature. Along the way, they encounter various challenges, learn to communicate with the cranes, and develop a deep sense of appreciation for the natural world. This heartwarming tale is a reminder that sometimes, the most unexpected connections can bring about the greatest transformations.