Having recently witnessed the horrific results of a top secret project to bring the dead back to life, a distraught teenager performs the operation on his girlfriend after she's killed in a motorcycle accident.

Flight 7500 departs Los Angeles International Airport bound for Tokyo. As the overnight flight makes its way over the Pacific Ocean during its ten-hour course, the passengers encounter what appears to be a supernatural force in the cabin.

H.P. Lovecraft anthology is divided into four segments: "The Library" which is the wraparound segment involving Lovecraft's research into the Book of The Dead and his unwitting release of a monster and his writing of the following horror segments "The Drowned", "The Cold", and "Whispers".

When Nick Davis leaves prison after one year in solitaire, he is hired to operate forklift in a warehouse in the harbor owned by the Japanese Yakuza patriarch Isshin Tendo. The place is assaulted by the Italian Mafia leaded by Dino Campanela and Nick rescues and saves the life of Shuji Sawamoto, who is the representative of Yakuza interests in America. Shuji hires Nick to work for Yakuza and becomes his godfather in the family after his oath to join Yakuza. However, Nick is a lonely FBI undercover agent assigned to penetrate in the criminal organization. When the FBI discovers that Campanela is organizing a massive attack to destroy the Yakuza, Nick's boss Littman calls off the operation to leave the dirty work to the Italian Mafia. But the connection of Nick with Shuji and his goddaughter Yuko forces him to help his Japanese family.

When FBI Agent Zack Grant's partner is killed during a blown-up operation, he attempts to find the person responsible. Mafiaso Frank Serlano believes Zack is responsible for his only sons death in the same operation and kidnaps Zacks son to hold as bait. The action gets wild when airline stewardess Mary is taken hostage to add what seems an another insurmountable problem for Zack. There appears to be no way out.

An ex-cop finds himself caught up in a battle between Japanese mobsters and local gangland thugs and discovers that he was framed for wrong-doings by a corrupt cop.