On a desolate country highway, two homeward-bound teens are nearly run off the road by a maniac in a beat-up truck, and later spot him shoving what appears to be a body down a sewer pipe.

Sheena's parents were archaeologists who died in the jungle when she was about six years old, leaving their daughter Shirley Hamilton. She was taken in by Kali, a local Shamaness of a tribe who brought her up, and five years ago she was taught how to morph into animals and birds, acquiring their abilities, even flight. Further, she became a mythical creature called "The Darachna" who relies on people' fear of the unknown. For this she covers herself in a dark liquid mud which allows her to be largely unseen in the low light of the jungle, and with more than normal strength, agility and speed, and armed with a pair of gloves with bone claws, she is a formidable one woman fighting force. She does kill sometimes.

Kung Lao has triumphed in the Mortal Kombat tournament, defeating Shang Tsung and saving Earth Realm. Now, he must train a new generation of warriors for the next tournament. Meanwhile, an exiled Shang Tsung attempts to thwart Lao's efforts with the aid of supernatural warriors such as Scorpion and Sub-Zero.