1. The narrative sequence of the film should be non-linear. Some plots are real, and some are contrived by the newcomer. The evidence is that the old man mentioned that the newcomer would cut his throat with a knife before, but this plot appeared later;
2. There is only a newcomer on the island. The old man should be the other side of himself that the newcomer imagined. The evidence is that the person who used the axe to destroy the boat out to sea is the old man, but later the old man mentioned that the newcomer destroyed the boat. The real situation should be that after the newcomer went crazy, his personality was disordered, and he didn't know who he was. The reason for this was that the newcomer had used the identity of the logging captain. As for the relationship between the old man and the logging captain, please see 3. Imagine how scary it is for a person to run wild on an isolated island for a moment and feel that he is a slasher, and then feel that he is a slashed person...
3. The image of the old man has changed many times. For example, he has been changed to the leader of the logging team. This shows that the role of the old man does not only represent the old man himself, but refers to the newcomer's inner fear and difficult to face secret-those killed by the newcomer People who are harshly squeezed. This means that the image of the old man was indeed killed by the newcomer, but it shouldn't be killed in the plot shown in the film, but was killed before. The head of the previous tower guard was the real old man. The newcomer said that the old man killed it, but he actually killed it himself. With this reasoning, the image of the old man is the former tower guard. After the newcomer came ashore, the newcomer was crushed and killed by the newcomer.
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