Sergeant Todd is a veteran soldier for an elite group of the armed forces. After being defeated by a new breed of genetically engineered soldiers, he is dumped on a waste planet and left for dead. He soon interacts with a group of crash survivors who lead out a peaceful existence. The peace is broken as the new soldiers land on the planet to eliminate the colony, which Sergeant Todd must defend.
An earthquake shatters a peaceful Los Angeles morning and opens a fissure deep into the earth, causing lava to start bubbling up. As a volcano begins forming in the La Brea Tar Pits, the director of the city's emergency management service, working with a geologist, must then use every resource in the city to try and stop the volcano from consuming LA.
