After escaping from the planet in the first episode, as a fugitive murderer, Riddick (Vin Diesel) constantly wanders between planets to avoid the bounty hunters' pursuit. The entire universe is shrouded in darkness and terror at this time. A ruler named Lord Marshall (Colm Feore) is invading the entire universe under the banner of religion. Because the little girl Kira (Alexa Davalos) rescued in the previous episode was unfortunately imprisoned on a planet with a huge temperature difference between day and night. In order to rescue her, Riddick bowed to the bounty hunters and asked them to take him to the prison on this planet. In the process of rescuing Kira, Riddick obtained the help of Aaron (Judi Dench), the ambassador of the elemental race, and gradually helped him find the mystery of his life experience. It turned out that Lord Marshall, the instigator of this interstellar catastrophe, was the one who destroyed Riddick's planet. In order to seek revenge, Riddick challenged the Star-Lord...