Horror and suspense

A gateway to Hell is opened, but cannot be closed when the key falls through the gateway. The military tries to send a team through the gateway to retrieve the key, but they die...

Humanity has accidentally opened a doorway into hell and a select group of hardened convicts are recruited to invade the realm and retrieve the key to close it again.

Dante and his team travel deeper into Hell to retrieve the key to close the gateway. Meanwhile Mr. Black continues working his own agenda.