The reunited Metal Men battle the forces of the covert group known as Nightwing in communist China. But can either side stop an even deadlier creation code-named Powergirl?

The Chinese government has created the ultimate genetic meta human, and the United States wants her. The U.S. President sends in the remains of the Metal Men to retrieve her, but when Nightwing gets involved, things get complicated. Will Power Girl become the ultimate weapon or will she be something more?