Back to the present, where Anne admits that she called Roger. She just needed to "let him know," she says. And now he's dead. Sure hope he appreciates it. Oh, and she figures David's dead too. And Lauren and this baby will be all that's left of her when this is all over. She marvels at her daughter trying to protect what's left of her dignity. "She needs it to be normal," says Derek, unusually empathetic. Well, not that empathetic. She starts to wheeze, and he tells her to stop talking, because it's bringing her heart rate up. Funny, it's having the opposite effect on me.

Back in the future, Jesse lowers her gun after figuring it wasn't Derek who sent the signal her shore party picked up. Must be someone in the radio room, she figures. "I didn't make it that far in," says Derek, forgetting to add, "before I came running out and started thinking about blowing my head off." He wants to know about this "shore patrol" thing. She breezily talks about the supply runs they've been making from Perth for months now in a nuclear sub. And not just ANY nuclear sub: the Jimmy Carter. "Who drives it?" he asks. "Not who. What," says Jesse, explaining that they've got a "scrubbed trip-eight" running it. You can imagine how Derek takes this news, but Jesse shrugs it off, telling him that if he finds her a sub commander who survived "J-Day" she'll sub him in. "Have a little faith, mate; she'll be apples," says Jesse, who's rather overdoing it with the Australian slang. He hands her a mask so they can go inside. She asks if it'll work. "Probably not," he admits. They head back inside, making their way through to the radio room, and Derek knocks on the locked door. No response. "Come on," he says, and hammers again. The door opens ...