The documentary visits England, Germany, Switzerland, Scandinavia, Greenland, South Africa and Australia to rediscover the history of "Dinner for One" and the reasons for its success.

Christian, a visionary scientist, studies wild geese. For his son, a teenager obsessed with video games, the idea of spending a holiday with his father in the wilderness is a nightmare. However, father and son will get together around a crazy project: save a species endangered, thanks to the ultralight of Christian! Then begins an incredible and perilous journey ...