Several generations in the future following Caesar's reign, apes are now the dominant species and live harmoniously while humans have been reduced to living in the shadows. As a new tyrannical ape leader builds his empire, one young ape undertakes a harrowing journey that will cause him to question all that he has known about the past and to make choices that will define a future for apes and humans alike.

When the Emperor of China issues a decree that one man per family must serve in the Imperial Chinese Army to defend the country from Huns, Hua Mulan, the eldest daughter of an honored warrior, steps in to take the place of her ailing father. She is spirited, determined and quick on her feet. Disguised as a man by the name of Hua Jun, she is tested every step of the way and must harness her innermost strength and embrace her true potential.