自由落体

清晨，校园里学生们行动匆匆赶往教室，走廊上忽然传来老师夸张模仿动物啼声的声音，同学们整理时笑得前仰后合。那轻松的互动打破了紧张气氛，师生之间的欢笑使得整个校园布满了活力与温馨，为新的一天注进无穷动力。Near future. Mankind is successfully exploring space: now a huge Delta station is located in the earth's orbit. Maksim Bortnikov is one of the members of the station repair team. An unexpected catastrophe caused by a proton storm cuts off Maksim from the rest, and he is left alone in outer space.