Digital heritage organizer Lin Wanyu took over an apartment that had been emptied out in advance. The client turned out to be his sister Lin Qingchuan, who had been missing for seven years. My sister only left three requests: don't believe the date of death, don't give the hard drive to the family, and find the seventh code. In order to preserve the evidence that is about to be remotely erased, she must constantly choose between authorization, privacy, and saving people. The deeper she investigated, the more she discovered that someone had turned "graceful farewell" into a business of deleting women's help-seeking records, and her sister's account was still waiting for the next trigger.
