Fan Casting Surprise guest at the Lighthouse

On a lonely island in the Pacific Ocean, there is a lighthouse where four uneventful keepers quietly work. But, one evening, a young woman is found stranded on the beach by one of them. Although this one is very different from a "normal" human, the guardians come to her rescue, and this one helps them with her great strength while waiting for the communications to be functional again. However, later, a group of terrible criminals land on the island, with the idea of ​​eliminating the "panther". The guards won't let that happen, although the young woman will prove perfectly capable of defending herself and protecting them from those criminals who made a big mistake by coming here armed !