Crimson Dawn: Geneticist Lin Shen witnesses a virus breach containment in a quarantine zone and risks his life to lead his team in rescuing crucial data.
Wasteland Wanderer: Retired special forces soldier Chen Mo encounters a pack of mutated wolves in the wilderness and unexpectedly discovers that the virus periodically weakens.
Undercurrents: Sima Tuye, ruler of an underground city, intercepts a secret military transmission and launches “Project Ark” to purge the low-value population.
Fates Entwined: The three factions meet at an abandoned weather station and uncover the truth: the virus's origins are tied to genetic experiments in space.
The Choice of Truth: Faced with a vaccine that could wipe out the mutated, but would kill half the survivors, the protagonists are forced into a battle of human nature.