Earth. Early in the 21st Century. Much has changed since the last Mortal Kombat. A universe that was once balanced by a system based on honour and tradition is now governed by chaos and deceit. Dark forces from sinister realms have begun invading Earth. The only warriors who could possibly meet this challenge are the Defenders of the Realm.

Kombat Begins Again – While the MKs are battling Cyrax and Sketor, Sub-zero joins them. This triggers memories and self-doubt in Liu Kang, and mistrust for the ice-ninja in Sonya and others. When Headquarters is attacked, Sub-Zero must prove where his loyalties really fall.