All the kids in a town over night become feverish and have convulsions. The next day they start to become evil, change their names for those of kids killed long ago, and then start killing any adult in their path, in vicious and mysterious forms. A young woman who has just returned to town tries to find out what is happening, while trying to protect her transformed young sister. However, the kids are starting to revive their leader...

In 1431, the Kingdom of Ayutthayan conquers the territory of Sukhothai expanding their lands to the East. The noble Lord Siha Decho is betrayed by his Captain, Rajasena, and is murdered together with his wife. However their son Tien is saved by one loyal soldier and left alone in the woods...

The monsters have made it into a small neighboring town in the middle of nowhere and the locals have to band with the survivors of the bar' slaughter to figure out how to survive.

When a college student witnesses the alleged suicide of her roommate, it sets into motion a series of horrific events that cause her to fear the supernatural entity. As she tries to convince the rest of her dorm that the Boogeyman does exist, the evil force grows stronger and her friends begin to pay the price. Now she must stop this ultimate evil before the entire campus falls prey.

In this present day prequel, the robot invaders attack the Earth, forcing a small band of humans to seek refuge below the surface of the planet.

The family man farmer John Rollins is stressed with his financial situation: the crows and the lack of irrigation are destroying his crop of corn; the bank is near closure of his mortgage; he does not have credit to fix the water pump or to buy seeds; and his marriage is in crisis and his wife Mary is giving too much attention to her friend Tommy. When John accidentally discovers a hidden compartment in the barn, he finds a creepy scarecrow but his son Michael makes him promise to destroy it. However, his neighbor Jude Weatherby visits him, gives a six-pack of beer to the abstemious John and convinces him to put the scarecrow in the cornfield. Out of the blue, the life of John changes: the crows die; the pump works again irrigating the land; and the banker responsible for the closure has an accident and dies. However, he feels that his land is possessed by something evil that is threatening his beloved family.

Barb and her brother Johnny travel to the country for the funeral services of their aunt, but they arrive late and drive direct to the cemetery. They see the location empty, but sooner they are attacked by zombies. Johnny escapes in his car leaving Barb alone, but she is rescued by the drug dealer and college student Ben. He drives his motorcycle to the Cooper farm, and the patriarch Henry Cooper does not give credit to Barb. When the farmhouse is under siege of a group of flesh-eaters zombies, the local mortician Gerald Tovar Jr. arrives and tells a scary story about the origin of the zombies.