After Rick Grimes wakes up from a coma to discover the world has been ravaged by a zombie apocalypse, he leads a group of survivors as they attempt to sustain and protect themselves, not only against attacks by walkers but by other groups willing to ensure their survival by any means necessary. Based on one of the most successful and popular comic books of all time, written by Robert Kirkman, The Walking Dead vividly captures the tension, drama and devastation following a zombie apocalypse.