CBS are employed to go undercover in order to solve a jewellery theft from a hotel strongroom. Max Cone, the fiancé of the owner's daughter, was imprisoned for the theft. However the daughter, Claire Walters, and her father, Jeremy Walters, are convinced of his innocence and suspect the hotel's manager, Bruce Aurit and the head of security, Mike Puckett.

Ken and Harry ""sack"" all the staff of CBS and put the office up for ""sale"". They then use Lennie, one of the disgruntled ""sacked"" employees, to inform Bruce and Mike that the company is in a very dodgy financial state and that Ken and Harry are planning to raid the safe. Alex and Rocky go to work at the hotel: Alex becomes 'Julia', a chambermaid, and Rocky becomes 'Sandy', a porter. Ken and Harry check in to the hotel as 'Kenneth Smith' and 'Henry Jones' (!), businessmen who want to organise a conference.

Ken and Harry drug Bruce to give Alex chance to steal his key to the safe (in doing so, she displays another of her many talents: ca