Firefly unlocks the door . . .
And gets knocked back by zombies . . .
Outback shoots one in the head . . .
Firefly pulls out a grappling hook . . .
Outback bags a second zombie. . .
Firefly deals with his . . .
After . . .
The group moves into the hall, only to hear more zombies approaching . . .
Lifeline turns and bumps into . . .