"*** will bring more." "She's right." "It's not safe here, come on." "Head down, I'm right behind you." " Sierra too." " Uh?" "Sierra." "Yeah, of course." "Of course." "I just need to shut the entrance after us." " OK." " OK." "There you go." "I can't let you down." "I just want to get somewhere safe, that's all." "But then you will tell others about the tunnel." "I can't have that."