Episode #2.5

Plot:

Greg follows a clue as to where his wife may have gone,to an airfield used to ferry out plague survivors. Here Mr.Stevens,who missed the plane and went mad, kills himself. The rest of the group encounter a commune of survivors,living an idyllic self-sufficient life-style,but a mutant strain of the virus hits one of the families,and Sarah,who has quarantined herself in their house to prevent contagion,dies with them.Abby burns the house and the outbreak - spread by birds according to Tom - is contained. Leaving Sally with the commune the other survivors go to ...