From the old archives building to the Yugang cold storage, from sealed files to the last words of the deceased.
Zhou Yinghuai wants to find out the death of his relatives, and Cheng Ye wants to overturn the case for the seven dead teams.
They don't trust each other, but they have to enter the game side by side.
On the day when the old case is reopened, all those who survived must testify again.
[Two male protagonists｜Qiangqiang｜Old case reopened｜Rival boss｜Suspense reasoning｜HE]
Purpose: To show characters facing the past while reopening old cases and pursuing the truth. Support each other until the end.