Watch LookMovie. In 1946, Anaïs López’ grandmother abandoned her two small children and left for South America with her Nazi lover. Or so the story goes. Photographer López browses through genealogical databases, combs out the internet, takes DNA tests, makes discoveries and dives deeper and deeper into this ever more complicated case. Everyone tells a different version of the history. But the deeper she digs, the more she loses grip. How important is it to know your family history?