After a terrible car accident, a young woman wakes up in the basement of a home. Not knowing how he got there, or what happened, the young suspect she was abducted. Whoever holds prisoner tried to reassure by saying that it is he who saved her life after a major chemical attack. This attack made the outside world is a hostile place uninhabitable. In the absence of certainty, it decides to do everything in his power to escape from that basement even though he has no idea what can wait outside. What will happen to the young woman? It manages to implement their plan of escape?