When the heart of Mars collapsed, the last fire of mankind was plundered, and Ling Jin broke into the interstellar graveyard alone with his broken body, vowing to recapture the remaining flames of civilization. Qi Xiao, who was once his comrade-in-arms, now holds the enemy's authority key and watches the extinction of mankind with cold eyes. When the rail gun was aimed at the last ecological cabin on earth, Ling Jin screamed in the quantum storm: "Have you forgotten why we fought?" What reflected in Qi Xiao's pupils was not betrayal, but a deeper sacrifice. They are not enemies, they are two fires torn apart by the times. One of them must ignite the ultimate detonator - exchanging lives for the survival of mankind.
