It has been one week since Correctional Medicine Physician Choi Junsu arrived at Songhwa Prison when a mysterious sinkhole appears, throwing the country into chaos. Now, he’s trapped in a hellhole with people worse than demons. “I have to get out of here!” Grabbing his keycard—his only chance at escape—he makes his move. But before he can flee, the notorious criminal brothers, Lee Taehyung and Lee Taemu, appear after slaughtering the guards. “You better crawl like a whore and act like a dog when I say so.” “Here, your reward. Lick it clean.” Junsu’s plan to escape takes an unexpected turn for the worse... (Source: Bomtoon, translated)