12 strangers must co-exist for 96 hours to collect a million each

In the hilarious tradition of Death At A Funeral, a group of former schoolmates gather at the request of a wealthy benefactor whos promised them each one million pounds if they manage to spend 96 hours together. The rules are simple: no one is to step foot off the sprawling country estate and contact with the outside world is forbidden. But when a member of the group drops dead things get unexpectedly complicated. Can they stay united or will they turn on each other and lose the cash?