Emma passes off Gary as an old friend from university.
Sam's new best friend is obsessive stalker Simon.
Matt has to pass off Sasha, the most obnoxious and arrogant of people, as an old friend.
Michael has to pass off tree-hugging do-gooder Wicky as an old skiing pal.
Tiff has to pass off the biggest paranoid hypochondriac on the planet as her boyfriend.
Tim has to pass off his overbearing former camp 'counsellor' who helped him after he was fired from his job a few years ago.