Two young American women go on a Mediterranean vacation and uncover the watery lair of a killer mermaid hidden beneath an abandoned military fortress.
The key character in the story story is Marko, a failed scriptwriter, who has been working as a taxi driver for years and follows his adventures during one hilarious night.
Jovan, a young biologist, gets a well-paying job in a forest, but when he checks the cameras he discovers a man and as time goes by the night calls, strange sounds and isolation plunge him into paranoia.