影片将四个勇气可嘉的故事编织在一起,探寻被人遗忘的波兰犹太律师拉斐尔·莱姆·金,正是他发明了具有非凡意义的“种族灭绝”一词。影片穿越时空与大陆,重现曾经发生的暴力循环。Four modern stories of remarkable courage while setting out to uncover the forgotten life of Raphael Lemkin, the man who coined the term 'genocide'. Inspired by Samantha Power's Pulitzer Prize-winning book, 'A Problem From Hell', 'Watchers of the Sky' traverses time and continents to explore genocide and the cycle of violence.