One of the very handy features of the little machine strapped to his wrist was that, when he felt like he should get back to London and pay 'Nic' a visit, he didn't need to book a flight. As soon as Jack could get enough privacy to get away without garnering too many questions, he did.

He appeared somewhere not in full view of everyone and on Klaus' front lawn, then walked himself up to the door and knock. Even with the walk, Klaus didn't have ong to wait.