She watched the rest of the tape with a growing, strange attention. Cassian's finale involved an audience member who chose to vanish. The man stepped into an ornate wooden trunk and, after a dramatic flourish, the lid closed. The crowd gasped. When the lid opened again, the trunk was emptier than emptiness—inside, a mirror reflected the stage and the audience, but the reflection wavered like fish scales. Cassian said, "To leave, some must be left behind."