"Nightmare creeps into people's hearts, sees everything, and controls them at will. He's a devious demon." - Jack Connery.

Being a professional crime planner Nightmare offers his help to other thieves around the world in exchange for half of the stolen treasures.

With his help success of the operation is 100% certain. Unfortunately, thieves who accepted Nightmare's help have to pay even greater price, as every one of them get's killed or arrested on the very night of the crime.

Later he is revealed to be Jack Connery himself.