Orlando twists around. Just outside his window stands a big, muscled guy with a closely shaved head and a dark line of stubble along his jaw. At first glance, he's terrifying - but then I get a better look at his face. It's the only one of Orlando's brothers I haven't met yet - Raphael, or Rafe, as he's more commonly known.

"Everything okay in there?" Rafe says through the window. His voice is so deep it's almost startling.

"We're fine," Orlando says back. He ...