On the mystical island of Themyscira, a proud and fierce warrior race of Amazons have raised a daughter of untold beauty, grace and strength - Princess Diana. When an army fighter pilot, Steve Trevor, crash lands on the island, the rebellious and headstrong Diana defies Amazonian law by accompanying Trevor back to civilization. Meanwhile, Aries has escaped his imprisonment at the hands of the Amazonians and has decided to exact his revenge.

A growing nation of genetically evolved apes led by Caesar is threatened by a band of human survivors of the devastating virus unleashed a decade earlier. They reach a fragile peace, but it proves short-lived, as both sides are brought to the brink of a war that will determine who will emerge as Earth's dominant species.