John Constantine enters the fray to help Batman and Zatanna with their mystical woes, but will he only tear the two further apart? In the final �Eternity� chapter, Christopher Freeman comes face to face with a brutal killer to help solve a decades-old murder...will he survive? Ace the Bat-Hound leads his posse of DC Super-Pets-Merton, Lil' Nutz the thieving squirrel, and Ursa the Russian bear-as they finally break free from the evil lab! But will they get very far without knowing where Batman is held captive?