Before she was the Undernet's remorseless assassin, PH34R was a little girl named Sammi, who just wanted to know what her big brother and his hacker friends were doing online all day… Fifty years later, the planet is barely hospitable. The Undernet has won. Ellison Lane believes he finally has all the pieces to give humanity another shot at a future. But a terrible angel stands in his way—an angel with tattoos all over her body, and a decades-long grudge against the w0rldtr33 gang. Multiple Eisner award-winner JAMES TYNION IV (The Department of Truth, Something is Killing the Children) and acclaimed artist FERNANDO BLANCO (Detective Comics) finally reveal the long-awaited story behind W0RLDTR33's iconic killer.