A possible concise summary is:
This is a summary of Cold Skin, an action sci-fi horror film about a young man who goes to a remote island to work as a meteorologist and encounters hostile sea creatures and a mysterious lighthouse keeper. He tries to survive the attacks and understand the creatures, while developing a bond with a female creature. He also discovers the true identity of the lighthouse keeper and his tragic past. He eventually decides to stay on the island and take his place, while the female creature swims away. The film explores themes of isolation, war, and love.
Here are the key facts extracted from the text:
1. An Englishman sets sail for a remote South Atlantic island to work as a meteorologist in September 1914.
2. The island's previous meteorologist died from typhus.
3. Gruner, the signal technician, is the only other person on the island.
4. The Englishman finds the previous meteorologist's diary and belongings.
5. Strange rock circles are found on the sand.
6. The Englishman hears noises outside his cabin at night and encounters unknown creatures.
7. Gruner refuses to let the Englishman into the lighthouse for safety.
8. The Englishman reinforces his cabin and fights against attacking creatures with a rifle and fire.
9. Gruner has a female sea creature who seems vulnerable.
10. The Englishman discovers that the previous meteorologist was killed by sea creatures, not typhus.
11. Gruner and the Englishman prepare for attacks from sea creatures at night.
12. The Englishman grows fascinated by the female sea creature, whom he names Aneris.
13. Gruner uses Aneris as a servant and for his own ends.
14. The Englishman and Gruner fight off attacking sea creatures with rifles and explosives.
15. Gruner is bitten during an attack and is cared for by Aneris.
16. The Englishman finds a shipwreck with dynamite and encounters infant sea creatures underwater.
17. Gruner and the Englishman plan to use dynamite to scare away attacking creatures.
18. The Englishman discovers that Gruner is actually the former weather official.
19. A truce is sought between the humans and sea creatures, but Gruner refuses it.
20. A conflict ensues between Gruner and the Englishman, resulting in Gruner's death by sea creatures.
21. The next ship arrives months later, bringing a replacement for the Englishman, who now takes on Gruner's identity.
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