After being fused together into one giant alloyed Metal Man in their previous adventure, the team grows impatient waiting for Dr. Magnus to separate them. When a misunderstanding leads to disaster, the Metal Men undergo a dangerous transformation that causes them to grow to enormous size and lose control of their actions. With his creations now posing a threat they don't intend, Magnus must make difficult decisions about how to stop them, even considering desperate measures he hoped never to use again.
