In this glamorous but challenging adventure series, The Controller sends the final three pairs on the most challenging mission yet - dive to a shipwreck in shark-infested waters in the Bahamas to retrieve a box, the contents of which will test their 00-agent skills to the max. One pair will be eliminated. For the others, a chance to win half-a-million pounds in an all-or-nothing visit to a casino. (thetvdb.com)