Supergirl, Green Arrow, and The Question investigate Supergirl's disturbing dreams. They discover that Cadmus created a clone of Supergirl named Galatea while she was recovering from her fight against Superman on Earth.

The full power of the newly expanded League is unleashed for the first time while trying to keep Ivo's android Amazo from reaching his goal: vengeance against the recently reformed Lex Luthor. Luthor and the Atom attempt to create a weapon to neutralize Amazo's nanotechnology, though their victory is largely assisted by Dr. Fate.