The Doctor was sure a nerve in his jaw actually started to twitch when the Master insisted that the TARDIS was going to be their destination. The one place he was meant to be able to feel safe, and he was going to take over. And yet, it was a slightly foolish move, considering it would be the first place people would look for him.
"Fine, it's by the beach," he muttered eventually. It hadn't been so long ago the Doctor had offered the Master a chance to come aboard with him, but of course the Master did always have to have it on his terms.