A host takes a call, where an unknown person threatens to kill the showman's entire family on air. To save loved ones, the radio host will have to play a survival game and the only way to win is to find out the identity of the criminal.
Thor is imprisoned on the other side of the universe and finds himself in a race against time to get back to Asgard to stop Ragnarok, the prophecy of destruction to his homeworld and the end of Asgardian civilization, at the hands of an all-powerful new threat, the ruthless Hela.
