Tangent Superman has traveled to New Earth and is now trying to take it over just as he did on Tangent Earth. He is confronted by Superman and Powergirl of New Earth but even they are having trouble stopping him. Meanwhile on Tangent Earth the tangent heroes and the Justice League are trying to find a way back to New Earth and New Earth's Batman is going after a secret weapon.
— Description from Comic Vine community (comicvine.gamespot.com).
