TREMORS SHRIEKER ISLAND Movie Official Trailer (2020) Michael Gross, Action Movie - Tremors 7br br Plot synopsis: The film centers on Graboids that have been illegally brought in to a new island resort by a rich playboy as a dangerous form of trophy hunting. Serving as a twisted spin on The Most Dangerous Game, it is up to Burt Gummer (Michael Gross) to save the day.