Simon, now calling himself Citizen Z, has been totally alone at the Northern Lights Listening Station for a year. He makes contact with the CDC station in California that the survivors are trying to reach, but learns its been overrun with zombies.
Nobody really likes Murphy, as evidenced by Mack and Addy bitching about him. It’s because he’s caustic and fairly mean. Also possibly the key to saving the world given he survived being bitten by zombies.
Travis shows the gang a refueling station. There, they notice all the zombies all march up the stairs to the top of the tower - where the survivors need to get in order to get the fuel. How to handle that?