Heroes glide through the sky on lightning bolts and fire. Flamboyant villains att empt daring daylight robberies. God-like alien creatures clash in an epic battle in the night sky. And on the dirty city streets below, homicide detective Christian Walker does his job. Detecti ve Walker has to investigate the shocking murder of one of the most popular superheroes the world has ever known: Retro Girl. Walker is teamed up with spunky rookie Detective Deena Pilgrim and the investigati on takes them from the seediest underbelly a city has to off er, to the gleaming towers that are home to immortal beings. As shocking twisted hidden truths about Retro Girl come to light, Walker finds that to solve this crime, he might have to reveal his own dark secret. This collection also includes the Powers comic strips, a Michael Avon Oeming sketchbook, the entire Powers #1 script and more!