A large spider from the jungles of South America is accidentally transported in a crate with a dead body to America where it mates with a local spider. Soon after, the residents of a small California town disappear as the result of spider bites from the deadly spider offspring. It's up to a couple of doctors with the help of an insect exterminator to annihilate these eight legged freaks.
A new species of South American killer spider hitches a lift to a small California town in a coffin and starts to breed, leaving a trail of deaths that puzzle and terrify the young doctor newly arrived in town with his family.