When the esteemed Nigel Ainsworth invites his friends and prestigious university colleagues over for a dinner party, they all get more than what they bargained for, as a murder mystery game ends in real-life foul play. But who is the killer? The Butler? The Maid? The younger gorgeous wife in a red dress? Perhaps it was the jealous faculty member or the death-obsessed goth girl? The only way to find out is to solve the clues hidden within this movie within-a-movie as the meta-cinema gets deadly in 'Who Dunt Dunt Dunnit?