Fear Factors (2007)

In a closed room with some dim light at the suburbs, a man and a woman are lying on the floor. They are in a coma. And, there is a small knife stabbed into the stomach of the man.

The woman wakes up. She finds that the door is locked. From the crack between the door and its frame, she finds a door key on the ground outside. However, she fails to get the key .

The man finally awakes. With much fear, he feels pain. In communicating with each other, the two of them realize that they have lost their memories. Suspicion has thus arisen.

The air in the secret room is getting thin. The woman loses her senses. She has decided to pull out the knife from the man to get the key. Eventually, she succeeds.

They leave the room, They walk unsteadily in the opposite directions.

Later on, the man discovers he himself is the target of the kidnap! Moreover, he finds a corpse of a young female on the floor. He recollects she is his girlfriend. He regains most of his memory...

He alleges that the woman is the kidnapper.

Is she really the kidnapper?