A lady in a red dress has fainted through the window, being held off the floor by a gentleman in a purple smoking jacket. Three other people are staring through the window at her, trying to help. The Cornley Drama Society are putting on a 1920s murder mystery, but as the title suggests, everything that can go wrong... does! The accident-prone thespians battle against all odds to make it through to their final curtain call, with hilarious consequences!