A gang of spies held up in a haunted castle gives this team of celebrated British wireless comedians plenty of scope for laughs.

Millionaire shipbuilder Freddie Gates decides to publicize his ships by hiring Jack Hylton and his orchestra to broadcast from his yacht.. Brian Gates, Freddie's son, has a low-approval-rating and a high dislike for jazz music and refuses board ship with the band on board. His father enters a conspiracy with singer Dorothy Drew to get him on the yacht, where the broadcasts will be made. Brian fall...