After having worked for over forty years in Africa as a development worker, Paul Kleene takes his retirement. His son Guido drives him home through the Sahara desert to Burkina Faso, in a small van stuffed with his last belongings. During the road trip father and son get to know each other again. The son wants to know why his father left their family from the one day to the other. Slowly he discovers his father's secret passion.—Anonymous