*Metropolis is in total lockdown, and while everyone is busy dealing with the impossible threat of Leviathan's complete takeover, a mysterious antihero called Thorn has decided to wreak havoc on the invisible empire! Witness the return of Rose and Thorn, the most dangerous woman in the DC Universe-and if you've never heard of her, it's only because she is that good. All this, plus a major EVENT LEVIATHAN revelation! But why wasn't it in the main series? Plus, the invisible mafia held a death grip on the Metropolis underworld...until Lex Luthor visits their criminal competition! *Source: dccomics.com