It's June's birthday and Terry arranges for his secretary to buy a gift for her so he can keep it secret. Things go wrong and Terry is accused of having an affair!

Terry's Boss, Sir Dennis, appoints his nephew to an executive position in the company. He starts to fire long standing members of staff and replace them with young, fresh thinking ones. As a result, the new blood hire a local disco for the staff's annual dance - Terry and June decide to learn by attending a 'disco dancing for beginners' class.