Confession spread on the salt wind. The retired technicians had fed the arrays with not just ocean noise but conversations, songs, and transmissions—humanity’s small signatures—to see what the deep would return. Over time, the recordings had drifted, collected, and entangled until they coded themselves into unusual patterns. Someone—or something—had then packaged the artifacts as a plugin bundle and sent them out, perhaps as a way to ensure they would be found and listened to.