Watch Online Free HD Solarmovies. Seventeen-year-old Su Fan arrives at the Anti-Japanese Military Academy’s First Branch, traveling from Longyan, Fujian, to the heart of the Yimeng Mountains. Just a day after her arrival, she faces a massive surprise attack by thousands of Japanese soldiers in an "iron wall encirclement." Through the intense breakout battle, Su Fan undergoes a transformative journey, evolving into a true warrior.