After escaping from the planet in the first episode, because of his identity as a fugitive murderer, Riddick (Van Diesel Vin Diesel) continues to wander between planets to escape the pursuit of bounty hunters. The entire universe was now shrouded in darkness and terror. A ruler named Lauder Marshall (Colm Feore) is invading the universe under the banner of religion. Because the little girl rescued in the previous episode, Kira (Alexa Davalos), was unfortunately imprisoned on a planet with a huge temperature difference between day and night. In order to save 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 receives the help of Aaron (Judi Dench), the elemental race ambassador, and gradually helps him find the mystery of his life. It turned out that Lauder Marshall, the initiator of this interstellar catastrophe, was the one who destroyed Riddick's planet. In order to take revenge, Riddick challenged the Star King...