A secret archive documenting the earliest revolutionary work of the Chinese Communist Party—the "Central Archives"—was successfully protected through the resilience and sacrifices of its guardians (both Party members and non-members) amid the turmoil and bloodshed from 1931 to 1949.

A bizarre case caused thousands of waves. There are different opinions on the truth. When the whole story of the case was gradually restored like pieces of a puzzle, people realized that the truth was not that important anymore.

A sprawling true-crime case illuminating the fates of ordinary people amid the tides of changing times.