In the movie IP Man 4 IP Man’s life remains unchanged after his wife’s death, but he and his son are slowly drifting apart. To seek a better future for his son, Ip Man decides to travel to the U.S. only to find the stable, peaceful life abroad is only skin deep. Underneath lies a deep rooted racial discrimination that is far worse than he has expected. Ip Man re-examines his position and ponders on the reason he took up martial arts in the beginning.