The endless train travels through desperate situations, and every platform may have hidden murderous intentions. There are all kinds of monsters and unpredictable humans. The road to survival is thrilling at every step.
Chen Mu, who is in danger alone, and Ji Ran, who seems soft but has a tough heart, survive together on the train. From classmates who have a crush on each other, to life and death trials to trusting each other, he uses his sharpness as a shield to protect him; he uses gentleness as a light to warm his loneliness.
In a desperate situation, the two are each other's weakness and armor. In the game of life and death, they hide their deep feelings in every fight side by side, and in the endless survival, they create a blazing spark of two-way redemption.
