A man goes undercover in a hi-tech prison to find out information to help prosecute those who killed his wife. While there, he stumbles onto a plot involving a death-row inmate and his $200 million stash of gold.

Giant lava breathing tarantulas – Lavalantulas – erupt out of ancient volcanos in the Santa Monica Mountains, raining death and destruction upon Los Angeles. With the City of Angels on the verge of incineration, only a washed up ‘90s action hero actor stands in the way of this monstrous swarm of bloodthirsty creatures who burn their victims alive.