Thor encontra-se preso do outro lado do universo, sem o seu martelo poderoso, numa corrida contra o tempo para voltar a Asgard e impedir Ragnarok - a destruição do seu mundo e o fim da civilização Asgardiana – que se encontra nas mãos de uma nova e poderosa ameaça, a implacável Hela. Mas primeiro, Thor precisa de sobreviver a uma luta mortal de gladiadores, que o coloca contra um seu ex-aliado e companheiro Vingador – Hulk.
Resigned to a life of sadness and regret at his hideous treatment of his wife many years ago, Trevor, an aging ex-con, spends his lonely life walking his dog and staying out of trouble. One morning he stumbles upon Melissa, a woman desperate, afraid, and operating on a knife's edge of panic. She's killed her abusive husband and is frantically trying to bury him. Sizing up the situation, Trevor recognizes the pain in her eyes and sees a way to save Melissa, and to redeem himself in the process. But the price of freedom and redemption will be higher than either of them could have ever imagined...