Little does Wonder Woman suspect that the man she assumes to be her mortal boyfriend Steve Trevor is actually the evil Darkseid, who has rearranged his molecular structure in order to impersonate Steve. It's all part of a master plan to steal the deadly TC7 satellite and transform everyone on earth into hideous mutants. The Galactic Guardians set out to rescue the real Steve and thwart Darkseid—a task made doubly difficult when Wonder Woman herself is kidnapped!