People with explosive detenators in head and work in building

A group of eighty American workers are locked in their office and ordered by an unknown voice to participate in a twisted game.

Jigsaw has disappeared. Along with his new apprentice Amanda, the puppet-master behind the cruel, intricate games that have terrified a community and baffled police has once again eluded capture and vanished. While city detective scrambles to locate him, Doctor Lynn Denlon and Jeff Reinhart are unaware that they are about to become the latest pawns on his vicious chessboard.

The engineer troops going to work in preparation for explosives.

An ex-military man is now using his specialized explosive skills to work as a hitman when he meets a young woman who may change his life.

A former FBI agent must stop a crazy man from blowing up bombs.