[sampvt]

Why didn't they simply record emmas message with crowd noise and pipe it in. Simples. Now Wolfy will become a mute, Dan will rise to fame with his detective ****, Charlie has sussed it and Hazel has already begun to question the nights events. In the cold light of day they will all be savvy and as soon as the secret rooms twists become relevant, the whole house will go quiet and the scenario dies.