Jack pressed his fingers into the Doctor's shoulder and gripped, nodding to him as they stepped away. He blocked out the noise, shut it away. It was false, and they couldn't let it take hold.

"Anytime," Jack said back with a tight lipped smile. "Just need to keep focus, yeah? It'll be fine. Long as we got each other here, right?"

But as they turned a corner, Jack was overwhelmed with a smell, a strong smell that filled the area and flooded his senses. "Do you smell that?" he asked, faltering a little.

It was such a normal smell, but such a specific one. Coffee. A strong coffee, freshly brewed, a special blend. Ianto's blend.