Rick learns that the farmer's son is one of the dead people kept in the barn. Since the farmer, Hershel, does not believe they are truly dead he rounds them up and keeps them in his barn. But that all backfires when he tries to add a stray zombie to his barn and they get out. Hershel loses his second eldest son and eldest daughter. Rick and the others take care of all the zombies. But after the chaos, Chris and Tyreese's daughter plot to move against Tyreese and now they have the guns to pull it off.