This movie starts with Saze X playing basketball. Suddenly, a lightning bolt hit the earth. They walked towards it and found a boy. The boy's name is Ricky, and he thinks he has forgotten everything. On the other hand, Remy told Sazer-X that a giant monster named Mechanical Giant Bulgario had approached Earth and was destroying buildings. Sazer X still defeated the monster. But then something flashed into their eyes, and Takuto mistook it for a cosmic capsule. In fact, this is the Bosquito people that exist within Bulgaria, which Professor Horiguchi later explained.
浅川了解到友子死前曾因看一盘录像带惊吓过度而住院，于是她找到了出租那盘录像带的旅店，也租了那盘没有名字的带子，打开录像机，极度恐怖的画面让浅川情绪几近崩溃。 浅川的前夫高山（真田广之 饰）此时来到了她的身边，并且复制了一盘录象带决定和她一起研究。而他们只有在七天之内揭开录像带的秘密才能活下去……
