Season 4
The fourth season begins several months following the close of the third season, where life has become relatively peaceful for the growing number of survivors at the prison. Rick made the decision some time ago to renounce his role as the group's leader, in which a council was formed as a replacement. The peaceful society is disrupted when a deadlyinfluenza virus ravages the population, killing many of the survivors. A scavenging team eventually returns with the medicine needed to contain the outbreak.
