The Stooges are wannabe detectives who inadvertently get their chance to crack a case in Scotland. They manage to stumble on a lead concerning the priceless Punjab diamond being stolen by a crook named Dapper (Kenneth MacDonald). With dreams of becoming genuine detectives, the trio head for Squid McGuffy's cafe asking for the whereabouts of Dapper. They manage to convince everyone at the restaurant that they are actually police.