Set in 1932, amid the rise of militarism after the establishment of the Manchukuo colony in Northeast China, the story centers on a trio of karateka. Studying under their aging master in a small dojo in the woods of central Kyushu, Choei, Taikan and Giryu face a company of kempeitai military police come to requisition their dojo for use as a military base.

A young pathologist seeks answers to the mysterious death of a friend and soon comes into contact with the same cursed videotape that caused the death of the friend's wife and son, which is haunted by the curse of Sadako, a relentless spirit.

A young pathologist seeks answers to the mysterious death of a friend and soon comes into contact with the same cursed videotape that caused the death of the friend's wife and son, which is haunted by the curse of Sadako, a relentless spirit.

In different parts of Tokyo, four young and seemingly healthy people suddenly die of heart failure at exactly the same moment. Reporter Kazuyuki Asakawa decides to investigate the deaths, and discovers that the four had stayed at a rural inn together just a week earlier. At the inn, he comes across a strange video that ends with a message saying that anyone who watches it will die exactly seven days later. Now the clock is ticking for Asakawa. Can he break the curse in time?

Teru Aoki (青木 輝) is on a train to Tokyo after a school trip. A disaster occurs which partially destroys the train and blocks a tunnel. When Teru awakes, he finds all his classmates and teachers are dead.

A bizarre medical exam of a nude woman by several doctors and scientists reveals that their latest subject has committed suicide before giving birth to one of the mutant creatures they had placed within her body. So, an investigative crew of scientists (along with a large human mutant cyclops creature) heads out to the city streets to obtain a new donor/victim in the form of a young girl. Gore and Z-Grade mayhem ensue.

A pair of hard-boiled Tokyo cops are investigating a gruesome murder: after killing the victim, the murderer cut his skull open and cooked his brain in a stew. As they try to track down the killer, they discover that, quite literally, everybody is a suspect. Will they bring the terror to an end, or will they become part of it themselves?

A pair of hard-boiled Tokyo cops are investigating a gruesome murder: after killing the victim, the murderer cut his skull open and cooked his brain in a stew. As they try to track down the killer, they discover that, quite literally, everybody is a suspect. Will they bring the terror to an end, or will they become part of it themselves?

Furuchi and Hama are two unsuccessful repair agents and electronic engineers. One day Furichi finds a so-called Kotatsu heater. Soon after this Furichi dies in a traffic accident. But with the help of a stun gun succeed Hama Furichi bring back to life, but also Kotatsu heater comes alive then.

Jam Films is a 2002 suite of 7 shorts produced by Sega/Amuse.