Mum and Olive run up debts of fifty pounds when they buy things to sell on from a catalogue firm only for Olive to break them. When Blakey refuses to give him his bonus Stan warms to Jack's idea of using a stolen ticket machine to charge for fares that will not be recorded so they can pocket the profits. After Blakey has come to the house and almost sat on the machine Stan decides to confess about the machine but Blakey gives him his bonus.However he has found out about the ticket machine and makes Stan donate the money to the bus crews' charity organization.