"Star Wars Zero" is based on the struggle between two hostile forces, the Empire and the Federation. The empire's tyranny is rampant and has robbed Dr. Barzel (Alan's father) of the Federation's research information on Yuan Ming, in order to control the entire galaxy with the most powerful weapons in civilization. The Federal Army sent Lane, Li Shilong, and Allen to resolve the matter. As former classmates, the three of them not only have a friendship as classmates, but also a relationship between men and women. Especially after Allen's father passed away, Ren took good care of her, which moved Allen even more. The interstellar deadly battle is coming, and the three bravely take up the important task of saving the interstellar. What awaits them is an unknown road full of dangers ahead. On the edge of life and death, in the entanglement of love and righteousness, what will be the fate of the three protagonists? "Star Wars ZERO" takes you into the story behind the cruel war and experience the extraordinary life in the flames of war! 
Li Shilong, a sergeant in the alliance, is usually carefree and has a heroic demeanor. Allen and Renne were classmates at the military academy. He and Ren are good brothers who share life and death, and they fight together for the safety of the Alliance and the galaxy. He and Renne are like brothers, but they are also rivals. They like to compete no matter what. He has very good qualifications and is a very potential mecha warrior in the federal army. Who is the strongest mecha warrior in the Federation, him or Renn? 
Lane, an alliance sergeant, is careful and gentle, especially when it comes to the woman he loves. He and Li Shilong were both alliance officers, and no one had a better understanding than him and Li Shilong. Studying together, working together, and living together, no one can understand Li Shilong better than him. And his calm character complements Li Shilong's uninhibitedness. The reappearance of his classmate Allen made him fall deeply in love with this woman who was strong on the outside but weak on the inside. But when the war is raging and conspiracies are happening one after another, how should he deal with this emotion? 
Allen, an alliance researcher, follows his father Yan to study ancient civilizations. After his father died to protect the data and quantum fragments, he investigated the matter with Li Shilong and Renn, the two best mecha warriors in the Federation. In life, she is a cute and beautiful woman, and in war, she is also a woman who cannot be outdone. After his father was killed by Imperial soldiers, Wren immediately appeared and offered comfort. Let you gradually get to know this former classmate again, and a different kind of emotion gradually arises in your heart. What does this feel like? 
