We will remain on this land forever, living among the stars and sleeping beneath the sun and moon. We will always be together.
College student Li Yu and her three roommates set off on a graduation trip. Along the way, they encounter Zhou Ziye, a police officer pursuing a criminal carrying a virus.
But the criminal suddenly changes course. Only after boarding the train do they discover that the criminal is the virus itself. After the virus mutates people into zombies, Li Yu and her three roommates join Zhou Ziye in the fight, each bringing their own skills. Along the way, the girls' belongings prove bizarre, and they use every trick in the book, applying the ingenuity of modern college students to battle the mutated zombies. Then the train's broadcast signal cuts out, and a mysterious stranger takes control of the train and changes its route. A zombie horde is closing in! It was all planned in advance. The entire trainload of people had already been infected before they boarded, and they were meant to be test subjects, sacrificed together! In their desperate final stand, they fight to the death. The train's final destination is destruction, and the green wilderness, carried there on the spring breeze.
