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. The Secret Of Quan ChiQuan Chi, a free-roaming sorcerer versed in the Dark Arts, uses an ancient gem to turn our heroes against one another. Acid Tongue!! During an intense battle against Komodai, a reptilian Ninja, Jax, suffers an injury to his bionics is lost in action. His unique arms cannot be repaired before the Kombatants are forced into action again. Jax is facing his worst fear - that he is nothing without his strength. Old Friends Never Die!! Sub-Zero has a run-in with his old friend Smoke, who is now programmed to destroy the ice-ninja. Sub-Zero must convince the cyber assassin that he still has a soul, before Smoke takes him out. Fall From Grace!! Sonya's recklessness injures Striker, and the MK team votes to suspend her. As the rest of the team struggles to drive back an assault on Earth Realm, Sonya and the injured Striker are the only ones left to defend the MK Headquarters against an invasion by Shao Kahn Warriors.