Looked like they had no choice but to stick around and see what was in store. Ianto didn't like it, but he also knew just how determined a fighter Jack could be. Getting past him was hard. He knew this from experience, even if thinking about it made him cringe.
He watched Jack's face, watched his eyes widen and watched them find his own eyes, though no other words came. Jack was in there, but this, on the outside? Wasn't Jack. Ianto nodded slightly and found a brave smile somewhere for Jack, then moved to stick his hand through the bars and slap it over the lock, to keep Shannon from fiddling with it too much. He figured he was in the cage already. Kinda hard to thrash someone when they were locked up.
"You don't touch this, not yet," he said quietly. "That's not Jack. He's in there, but that's not him." Ianto took a breath and held it for a moment, trying to keep calm. "If you can pick the lock, we can distract Jack and the woman. Getting away might be difficult, though."