Twelve years ago, a military operation publicly described as the "Frost Bridge Evacuation" took place in the Akazhang Corridor. The official version defines it as a successful civilian evacuation, but the real underground version is the "Frost Bridge Night Fire": That night, a group of people who should have been completely protected were intentionally or unintentionally left in the fire, and then the relevant records were purged.
The "Beichen List" records not ordinary victims, but a whole chain of buried evidence: survivors, transporters, recorders, rescuers, witnesses, and even the people who later preserved their identities. The reappearance of the list means that old cases may resurface; but certain forces will not allow this to happen.
Purpose: The main axis revolves around "humanitarian rescue in border conflicts" and "buried historical truth" to advance simultaneously.