They are in a quandary over music; Jones suggests The Salvation Army, but Walker disagrees, and mentions to Mainwaring that Private Hastings can play the piano, and he will have a word with a band at an RAF unit in Gaulshead.
Meanwhile, Jones suggests doing a cabaret act, consisting of his own "humorous monologues and various forms of mimicry", along with a Highland sword dance to be performed by Frazer.
Pike then drops the bombshell that he intends to announce their engagement in the middle of the dance, like Jack Oakie and ZaSu Pitts.
The initial phase of the dance goes well, apart from a confrontation with Jones and the Verger about the rude word on the harmonium (see The Day the Balloon Went Up).
Just as the band take a break, Pike attempts to make his announcement, but Walker manages to prevent it by persuading Jones to do his cabaret act.
At the end of Jones' act, Walker desperately tries to persuade him to impersonate some more actors like Charles Laughton and Freddie Bartholomew; but unfortunately Pike manages to make his way to the microphone, drags a disinterested-looking Violet onto the stage, and announces their engagement.
Later, a drunken Mainwaring stumbles into the vicar's office where Wilson is attempting to sleep, as the both of them have been locked out of their houses (by Elizabeth and Mrs Pike respectively).