Barry Allen is at a crossroads. He's lied to the woman he loves about his life as the Flash, and a rift is growing between him and his heroic young partner. Now, his greatest enemy has threatened to strike down everyone close to him! It's time to make a tough choice that will launch the Flash into his most incredible mission yet: a siege on the 25th century stronghold of Eobard Thawne! Rising-star writer Joshua Williamson continues his smash-hit run on the Fastest Man Alive with THE FLASH VOL. 4! Collects issues #23-27.