Prison guard Chen Ran has a miserable start. After offending Commandant Wang, he is forced to endure in a Heavenly Prison steeped in overwhelming baleful energy. Just as he falls into despair, he unexpectedly awakens a cheat ability: the Heaven-Suppressing Prison Tome. As long as he stays in the prison, every day grants him a year of cultivation! While secretly building his strength and vowing revenge, the prison suddenly goes into lockdown, and the Red Lotus Witch is brought into the death cells of Section Ding. The treacherous Commandant Wang lays another trap, assigning Chen Ran to the most dangerous Cell No. 7. Watch how Chen Ran, armed with an astonishingly powerful cheat, turns the tables and strikes back from the brink of death amid layer upon layer of danger.