He died unexpectedly at Luchen subway station. When he woke up and sat in the monitoring room, he discovered the secret of "three days of substitute work" (already written)
4-6 Dealing with the first incident - former company director Zhao Liheng discovered the causal chain operation method
7-9 Dealing with the second incident - my friend Fangyuan's milk tea shop, the first attempt to fine-tune the cause and effect
10-12 Discover the truth about post-it notes: countless seniors are trapped here, and no one has truly "turned regular"
13-15 The mysterious voice "Lao Mai" appears again, revealing the existence of the "company" behind the monitoring room
16-18 Lu Chen tried to refuse to continue on duty, but found that the "Reject" option was gray and could not be clicked.
19-20 The first crisis: He tried to modify the cause and effect of his death, triggering a system warning
