Ianto frowns a bit, and tightens up his shields as he was taught, drawing inward to protect his inner self. He's not quite sure what she's up to, but he's determined to keep her out, if he can.

Tosh notices now, and has to fight against her curiosity that wants her to reach out in kind. Gwen can tell something is up, but can't put her finger on it yet.

Owen's getting a little bored with the exercise, so he doesn't notice at all.