Five years ago... Escaped convict Richard B. Riddick escaped from a desert planet with his two companions, religious man Imam and runaway teenage girl Jack. After five years wandering across the outskirts of the galaxy and being hunted by bounty hunters calming the bounty on his head, Riddick arrives on the colonized planet New Mecca, he learns Imam placed the bounty on his head and Jack has been imprisoned on the prison planet "Crematoria" for murder. Riddick learns from Aereon, ambassador of the Elemental race is seeking out Furians, a race of warriors in a bid to balance the universe, as a warrior army known as The Necromongers led by the evil undead Lord Marshal are invading every planet in the galaxy and cleansing all of humanity in their goal for universal conquest. Beliving Riddick is a Furian warrior, Aereon decides to hire Riddick believing he is the one man who can stop The Lord Marshal and the Necromongers. When the Necromongers attacks New Mecca, Riddick is captured by cocky bounty hunter Toombs and his crew and he is transported to Crematoria, where he reunites with Jack now named 'Kyra', where Riddick and Kyra escapes to the planet's sun ravaged surface, where Riddick helped by Necromonger warrior Vakko and his sexy wife Dame Vakko, sets out to defeat the Lord Marshal and save the universe from the Lord Marshal's rule and save the rest of humanity from being converted into Nercomonger warriors.