Walker's search takes him to 'The Sleeping Giants', a low-ranking street gang. The Sleeping Giants know where Hatchet is. And they're willing to tell Walker on one condition - he must join them. And to do that, he must take part in a shocking 'initiation task'. But how far is Walker willing to go to get what he wants? Can the lone wolf, cast adrift for so long, ever rejoin the pack? If you've enjoyed The Future of London series so far, don't miss out on the next chapter - '