Benny Imura and his friends have made it to Sanctuary, they've found the jet and they've discovered that civilization is struggling to regain its foothold in the aftermath of the zombie apocalypse. Scientists are on the verge of finding a cure for the zombie plague. It should be time for celebration, but it's not. Benny's best friend, Chong, has been infected by an arrow dipped in the flesh of a zombie and he hovers between life and death and Dr McReady, a researcher who may have the critical formula for a cure, has gone missing. So Benny convinces Captain Ledger to mount a search and rescue mission to find the doctor and help Chong. But with the Reapers still pursuing their plan to turn all zombies into super-fast shock troops even if they can save Chong, can they save themselves? In the fourth book of the thrilling and emotionally charged Rot & Ruin series, the battle to end all battles is about to begin...