Ernie is depressed that the Mission circuit superintendent, Ivor Mortlake, is going to call on him. Ena tells him to say he was at the Gatsby Club to study filth and obscenity. Gail starts work with Elsie. Ernie tells Mortlake he went to the Gatsby out of a sense of duty. Stan doesn't know as much about the Western Desert as he thought. The regulars decide to nobble him and send Bet instead to answer on detective novels for the next round of the Superbrain contest. Ernie agrees to deliver a sermon on his experience. Len gets Stan drunk and sends him to the wrong pub in a taxi, whilst Bet gets through to the semi-finals.