Watch Investigating My Father for Free: How to Stream the Movie Online at 123Movies. . My father was a landowner’s son and an ex-Kuomintang Air Force pilot, who remained in mainland China after 1949. For survival, he tried to transform himself from a man of the ‘old society’ to a man of the ‘new society’. As his son, I started investigating his ‘history before 1949’, which he had kept away from me. This film documents the process of my investigation over twenty years.