Recently I have been thinking about the setting of "memory trading": in the future society, humans can buy and sell memories, but it triggers a series of ethical crises. This theme has both a sense of technology and an exploration of human nature.
A memory censor makes a living by filtering other people's memories every day. This profession itself is full of contradictions - he cleans up other people's painful memories, but he himself has to bear secondary harm. When he discovers that his memory has also been tampered with, his entire worldview will collapse...