Hua Mulan enlists in the army in her father's place and unexpectedly awakens a heroine's battle system, earning military honors on the battlefield and unlocking powerful skills. She fights alongside her deputy general, Feng Xiao, and the two gradually fall in love. The Rouran launch a treacherous marriage alliance scheme to sow discord in the army, and Feng Xiao dies in a bloody battle. Unable to bear the loss, Mulan gives up all her divine powers in exchange for bringing back the man she loves. Alone, she defends the city pass to the death, crushes the enemy forces, and pacifies the frontier. After securing victory, she refuses wealth and power, resigns from office, and returns home to fulfill her filial duties. In the end, she plants a divine seed of hope and is joyfully reunited with her beloved.