When a spirit medium is called to exorcise a demon from a possessed man, he is unknowingly captured in the act by two students looking to document the process. When the students accidentally release the devil fish demon into the world, it is up to them and the spirit medium to send it back to the hellish world from where it came.

Is The Tag-Along: Devil Fish on Netflix? Yes! The movie The Tag-Along: Devil Fish is now on Netflix in the countries listed below.