The church ladies do everything - polish the candlesticks, iron the vestments and arrange the flowers.
So when their favourite choirmaster is sacked by the new priest, they are less than impressed.
They down tools and go on strike, determined to get Mr Dibfield reinstated.
But Father Nick is equally determined to keep him away, favouring the guitar-playing Lorraine as a replacement.
A fierce battle, testing loyalties as well as vocal chords, ensues.